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A cloth merchant sold half of his cloth at $20\%$ profit, half of the remaining at $20\%$ loss and the rest was sold at the cost price. In the total transaction, his gain or loss will be
Aptitude Profit and Loss Difficulty: Easy
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Mr Kashyap purchased an airconditioner for ₹ 12000 and sold it for ₹ 15000. What was the profit percentage? (Bank Recruitment, 2010)
Aptitude Profit and Loss Difficulty: Easy
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Directions: Each of the questions given below consists of a statement and/or a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statement(s) is/are sufficient to answer the question. Read both the statements and give answer.
What is the value of 20 percent of $x$?
I. One-fourth of 20 percent of $x$ is 5.
II. $4x = S$, $5y = S$ and $y = 80$.
Aptitude Percentage Difficulty: Medium
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$\frac{5}{9}$ part of the population in a village are males. If $30\%$ of the males are married, the percentage of unmarried females in the total population is
Aptitude Percentage Difficulty: Hard
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Twenty-five percent of Reena's yearly income is equal to seventy-five percent of Anubhav's monthly income.
If Anubhav's yearly income is ₹ 240000, what is Reena's monthly income?
Aptitude Percentage Difficulty: Medium
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Rajeev buys goods worth ₹ 6650. He gets a rebate of 6% on it. After getting the rebate, he pays sales tax @ 10%. Find the amount he will have to pay for the goods.
Aptitude Percentage Difficulty: Medium
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Kamal has 160 toffees. He gave 5% toffees to Ravi, 15% toffees to Anita and one-fourth of the toffees to Gagan. How many toffees are left with Kamal after the distribution?
Aptitude Percentage Difficulty: Medium
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$3.5$ can be expressed in terms of percentage as
Aptitude Percentage Difficulty: Easy
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If $\log 3 = 0.477$ and $(1000)^x = 3$, then $x$ equals
Aptitude Logarithm Difficulty: Easy
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$\log_{10} \log_{10} \log_{10} (10^{10^{10}})$ is equal to
Aptitude Logarithm Difficulty: Hard
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Let $r$ be the result of doubling both the base and the exponent of $a^b$, $b \neq 0$. If $r$ equals the product of $a^b$ by $x^b$, then $x$ equals
Aptitude Surds and Indices Difficulty: Medium
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Directions : Each of the questions given below consists of a statement and/or a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statement(s) is/are sufficient to answer the question. Read both the statements and
Give answer (a) if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question;
Give answer (b) if the data in Statement II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question;
Give answer (c) if the data either in Statement I or in Statement II alone are sufficient to answer the question;
Give answer (d) if the data even in both Statements I and II together are not sufficient to answer the question;
Give answer (e) if the data in both Statements I and II together are necessary to answer the question.
What is the value of the two-digit number $ab$?
I. The difference between its digits is 2.
II. The sum of its digits is 4.
Aptitude Problems on Numbers Difficulty: Medium
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The smallest natural number which is a perfect square and which ends in 3 identical digits lies between
Aptitude Square Root and Cube Root Difficulty: Hard
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$\sqrt{44944} + \sqrt{52441} = x$
Aptitude Square Root and Cube Root Difficulty: Medium
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Direction: In the question given below, if the given mathematical symbols are changed from '+' to '\div', '-' to '\times', '\div' to '-' and from '\times' to '+', then choose your answers form the following options.
Solve $67 \times 119 + 17 - 27 \div 259 = x$
Aptitude Simplification Difficulty: Medium
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Directions: Study the following information carefully to answer the given questions:
The teachers' colony has 2800 members, out of which 650 members read only English newspaper. 550 members read only Hindi newspaper and 450 members read only Marathi newspaper. The number of members reading all the 3 newspapers is 100. Members reading Hindi as well as English newspaper are 200. 400 members read Hindi as well as Marathi newspaper and 300 members read English as well as Marathi newspaper.
Find the number of members reading no newspaper.
Aptitude Simplification Difficulty: Medium
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If $2x + y = 5$ and $3x - 4y = 2$, then the value of $2xy$ is
Aptitude Simplification Difficulty: Easy
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Which of the following values of $x$ and $y$ satisfy the following equations I and II?
I. $3x + y = 19$
II. $x - y = 9$
Aptitude Simplification Difficulty: Easy
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If $x = -3$, then $x^3 - x^2 - x$ will be equal to
Aptitude Simplification Difficulty: Easy
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$$ \left(\frac{1.49 \times 14.9 - 0.51 \times 5.1}{14.9 - 5.1}\right) $$ is equal to
Aptitude Decimal Fraction Difficulty: Medium
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$(0.34\overline{67} + 0.13\overline{33})$ is equal to
Aptitude Decimal Fraction Difficulty: Hard
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The simplification of $3.\overline{36} - 2.\overline{05} + 1.\overline{33}$ equals
Aptitude Decimal Fraction Difficulty: Easy
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If the L.C.M. of three numbers is 9570, then their H.C.F. can be
Aptitude HCF and LCM Difficulty: Easy
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The L.C.M. and ratio of four numbers are 630 and 2 : 3 : 5 : 7 respectively. The difference between the greatest and least numbers is
Aptitude HCF and LCM Difficulty: Medium
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The H.C.F. of $\frac{2}{3}, \frac{8}{9}, \frac{64}{81}$ and $\frac{10}{27}$ is :
Aptitude HCF and LCM Difficulty: Easy