-
Three unbiased coins are tossed. What is the probability of getting at most two heads?
Aptitude Probability Difficulty: Easy
-
How many lead shots each $3$ mm in diameter can be made from a cuboid of dimensions $9 \text{ cm} \times 11 \text{ cm} \times 12 \text{ cm}$?
Aptitude Volume and Surface Area Difficulty: Medium
-
The sum of the length, breadth and depth of a cuboid is $19 \text{ cm}$ and its diagonal is $5\sqrt{5} \text{ cm}$. It surface area is
Aptitude Volume and Surface Area Difficulty: Medium
-
A sum of money is borrowed and paid back in two annual instalments of ₹ 882 each allowing 5% compound interest. The sum borrowed was
Aptitude Compound Interest Difficulty: Medium
-
The compound interest accrued on an amount of ₹ 25500 at the end of 3 years is ₹ 8440.50. What would be the simple interest accrued on the same amount at the same rate in the same period?
Aptitude Compound Interest Difficulty: Medium
-
A sum becomes its double in $10$ years. Find the annual rate of simple interest.
Aptitude Simple Interest Difficulty: Easy
-
Two equal sums of money were lent at simple interest at 11% p.a. for $3\frac{1}{2}$ years and $4\frac{1}{2}$ years respectively. If the difference in interests for two periods was ₹ 412.50, then each sum is:
Aptitude Simple Interest Difficulty: Easy
-
A person wishes to reach his destination 90 km away in 3 hours but for the first half of the journey his speed was 20 km/hr. His average speed for the rest of the journey should be
Aptitude Time and Distance Difficulty: Medium
-
A and B can together finish a work in 30 days. They worked together for 20 days and then B left. After another 20 days, A finished the remaining work. In how many days A alone can finish the job ? (S.S.C., 2003)
Aptitude Time and Work Difficulty: Medium
-
Three pipes can fill a reservoir in 10, 15 and 20 hours respectively. If the three taps are opened one after another in the given order, with a certain fixed time gap between them, the reservoir fills in 5 hours. The time gap is
Aptitude Pipes and Cistern Difficulty: Medium
-
A and B entered into a partnership investing ₹ 16000 and ₹ 12000 respectively. After 3 months, A withdrew ₹ 5000 while B invested ₹ 5000 more. After 3 more months, C joins the business with a capital of ₹ 21000. The share of B exceeds that of C, out of a total profit of ₹ 26,400 after one year by
Aptitude Partnership Difficulty: Medium
-
Two stores A and B mark the price of an item identically. A allows $3$ successive discounts of $10\%$ each. B allows $10\%$ discount on the list price and a subsequent discount of $19\%$. Under the circumstances, which of the following is true?
Aptitude Profit and Loss Difficulty: Easy
-
-
Shailja earns 15 percent on an investment but loses 10 percent on another investment. If the ratio of the two investments is $3 : 5$, then the combined loss percent is
(S.S.C., 2006)
Aptitude Profit and Loss Difficulty: Medium
-
Goods pass successively through the hands of three traders and each of them sells his goods at a profit of $25\%$ of his cost price. If the last trader sold the goods for ₹ 250, then how much did the first trader pay for them? (S.S.C., 2005)
Aptitude Profit and Loss Difficulty: Medium
-
The cost price of an article is ₹ 7840. What should be the selling price of the article so that there is a profit of 7%? (R.R.B., 2008)
Aptitude Profit and Loss Difficulty: Easy
-
If the price of oil is increased by 30%, then by how much percent a family should reduce its consumption so that the expenditure would remain the same?
Aptitude Percentage Difficulty: Easy
-
At an election involving two candidates, $68$ votes were declared invalid. The winning candidate secures $52\%$ and wins by $98$ votes. The total number of votes polled is
Aptitude Percentage Difficulty: Medium
-
$\log_{10} (10 \times 10^2 \times 10^3 \times ...... \times 10^9)$ is
Aptitude Logarithm Difficulty: Easy
-
$\frac{1}{1 + a^{(n-m)}} + \frac{1}{1 + a^{(m-n)}} = $ $x$
Aptitude Surds and Indices Difficulty: Medium
-
In an engineering college the average salary of all engineering graduates from Mechanical trade is ₹ 2.45 lacs per annum and that of the engineering graduates from Electronics trade is ₹ 3.56 lacs per annum. The average salary of all Mechanical and Electronics graduates is ₹ 3.12 lacs per annum. Find the least number of Electronics graduates passing out from this institute.
Aptitude Average Difficulty: Medium
-
Directions: What approximate value should come in place of question mark($x$) in the following questions? (NOTE: You are not expected to calculate the exact value).
$19.99 \times 15.98 + 224.98 + 125.02 = x$
Aptitude Simplification Difficulty: Easy
-
Find the value of $x$ in the following
$$1\frac{2}{3} \div \frac{2}{7} \times \frac{x}{7} = 1\frac{1}{4} \times \frac{2}{3} \div \frac{1}{6}$$
Aptitude Simplification Difficulty: Medium
-
$4.4 \times 5.8 \times 11.5 - 141.27 = $x$
Aptitude Decimal Fraction Difficulty: Medium
-
$341.42 - 53.74 = $ $x$ $- 62.86$
Aptitude Decimal Fraction Difficulty: Easy
-
The least number which when increased by $5$ is divisible by each one of $24$, $32$, $36$ and $54$ is
Aptitude HCF and LCM Difficulty: Easy