-
If $3^x = 5^y = 45^z$, then
Aptitude Surds and Indices Difficulty: Hard
-
The value of $\frac{1}{\sqrt{12 - \sqrt{140}}} - \frac{1}{\sqrt{8 - \sqrt{60}}} - \frac{2}{\sqrt{10 + \sqrt{84}}}$ is
Aptitude Surds and Indices Difficulty: Hard
-
The ratio of the ages of a man and his wife is 4 : 3. After 4 years, this ratio will be 9 : 7. If at the time of their marriage, the ratio of their ages was 5 : 3, then how many years ago were they married?
Aptitude Problems on Ages Difficulty: Hard
-
A, B, C, D and E are five consecutive odd numbers. The sum of A and C is $146$. What is the value of E?
Aptitude Problems on Numbers Difficulty: Easy
-
If the sum of a number and its square is 182, what is the number?
Aptitude Problems on Numbers Difficulty: Medium
-
If 50 is subtracted from two-third of a number, the result is equal to sum of 40 and one-fourth of that number. What is the number?
Aptitude Problems on Numbers Difficulty: Medium
-
Mr. Joe's family consists of six people—himself, his wife and their four children. It is known that the average age of the family immediately after the birth of the first, second, third and fourth child was 16, 15, 16 and 15 years respectively. Find the age of Mr. Joe's eldest son if the present average age of the entire family is 16 years.
Aptitude Average Difficulty: Hard
-
The total marks obtained by a student in Physics, Chemistry and Mathematics together is 120 more than the marks obtained by him in Chemistry. What is the average marks obtained by him in Physics and Mathematics together?
Aptitude Average Difficulty: Medium
-
$\frac{12}{3 + \sqrt{5} + 2\sqrt{2}}$ is equal to
Aptitude Square Root and Cube Root Difficulty: Hard
-
$\sqrt{2 + \sqrt{3}} \cdot \sqrt{2 + \sqrt{2 + \sqrt{3}}} \cdot \sqrt{2 + \sqrt{2 + \sqrt{2 + \sqrt{3}}}} \cdot \sqrt{2 - \sqrt{2 + \sqrt{2 + \sqrt{3}}}}$ is equal to
Aptitude Square Root and Cube Root Difficulty: Hard
-
Solve $\frac{(0.73)^3 + (0.27)^3}{(0.73)^2 + (0.27)^2 - 0.73 \times 0.27} = x$
Aptitude Simplification Difficulty: Easy
-
Rohan went to the post-office to buy five-rupee, two-rupee and one-rupee stamps. He paid the clerk ₹ $20$, and since he had no change, he gave Rohan three more one-rupee stamps. If the number of stamps of each type that he had ordered initially was more than one, what was the total number of stamps that he bought?
Aptitude Simplification Difficulty: Medium
-
-
A buyer purchased few books of equal value for a total cost of ₹ 720. If the value of each were ₹ 2 less than the price at which the buyer originally bought, she could have purchased 4 more books than what she had bought. How many books did she originally purchase?
Aptitude Simplification Difficulty: Medium
-
A man spends one-quarter of his income on food, one-fifth of it on rent and remaining, which is ₹ 231, on other commodities.
Find his total income.
Aptitude Simplification Difficulty: Easy
-
If $x = y - \frac{y}{10}$, where $y$ is a positive integer which increases in value, then $x$
Aptitude Simplification Difficulty: Easy
-
It costs ₹ $x$ each to make the first thousand copies of a compact disc and ₹ $y$ to make each subsequent copy. If $z$ is greater than 1000, how much will it cost to make $z$ copies of the compact disc?
Aptitude Simplification Difficulty: Medium
-
A man earns ₹ 20 on the first day and spends ₹ 15 on the next day. He again earns ₹ 20 on the third day and spends ₹ 15 on the fourth day. If he continues to save like this, how soon will he have ₹ 60 in hand?
Aptitude Simplification Difficulty: Hard
-
$(0.05 \times 5 - 0.005 \times 5)$ equals
Aptitude Decimal Fraction Difficulty: Easy
-
If three numbers are $2a$, $5a$ and $7a$, what will be their LCM?
Aptitude HCF and LCM Difficulty: Easy
-
Two consecutive even positive integers, sum of the squares of which is 1060, are
Aptitude Number System Difficulty: Medium
-
Find the unit's digit in the sum of the fifth powers of the first 100 natural numbers.
Aptitude Number System Difficulty: Medium
-
The total number of integers between 200 and 400, each of which either begins with 3 or ends with 3 or both is
Aptitude Number System Difficulty: Medium
-
A store raised the price of an item by exactly 10 percent. Which of the following could not be the resulting price of the item?
Aptitude Percentage Difficulty: Medium
-
35568 ÷ $x$% of 650 = 456
Aptitude Percentage Difficulty: Medium
-
Ten percent of twenty plus twenty percent of ten equals
Aptitude Percentage Difficulty: Easy