1175 questions
11
Mixed
Moderate
PYQ
+1.0
-0.33
Which of the following ratios is equivalent to 3 : 2?
12
Mixed
Moderate
PYQ
+1.0
-0.33
The cost of a washing machine is 40% less than the cost of a TV. If the cost of the washing machine increases by 52% and that of the TV decreases by 76%, then what is the percentage change in the total cost of 5 washing machines and 2 TVs?
13
Mixed
Moderate
PYQ
+1.0
-0.33
If \(\tan\theta = \frac{12}{5}\), what is the value of \(\sec\theta\)?
14
Mixed
Moderate
PYQ
+1.0
-0.33
The total surface area of a solid right circular cylinder is 542 cm2. Its curved surface area is two-fifth of its total surface are Find the curved surface area of the cylinder.
15
Mixed
Moderate
PYQ
+1.0
-0.33
Two numbers have an HCF of 18 and an LCM of 1512. If one of the numbers is 126, find the positive difference between these number.
16
Mixed
Moderate
PYQ
+1.0
-0.33
\(\frac{1}{20}\) is what percentage of \(\frac{10}{40}\)?
17
Mixed
Moderate
PYQ
+1.0
-0.33
In statistics out of 100, the marks of 21 students in final exams are as 90, 95, 95, 94, 90, 85, 84, 83, 85, 81, 92, 93, 82, 78, 79, 81, 80, 82, 85, 76, 85, then the mode of data is:
18
Mixed
Moderate
PYQ
+1.0
-0.33
A fruit vendor bought 150 mangoes. He sold them at such a price that the selling price of 120 mangoes equals the cost price of 150 mangoes. Find his profit percentage.
19
Mixed
Moderate
PYQ
+1.0
-0.33
Three pipes, A, B and C, can fill a tank from empty to full in 40 minutes, 20 minutes and 30 minutes, respectively. When the tank is empty, all the three pipes are opened. A, B and C discharge chemical solutions P, Q and R, respectively. What is the proportion of solution Q in the liquid in the tank after 9 minutes?
20
Mixed
Moderate
PYQ
+1.0
-0.33
Two-fifth of a container is filled with blue liquid, one-third of the remaining container is filled with black liquid, five-sixth of the still remaining container is filled with yellow liquid and the remaining 4.2 litres is of white colour. Find the total capacity of the container.