Practice Questions

Question 161


In a class of 200 students 70 play cricket, 60 play hockey and 80 play football. 30 play cricket and football, 30 play hockey and football, 40 play cricket and hockey. If 130 people play at least one game, find the number of people who play all the three games.

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Question 162


What is the value of k if A (4, k) is the mid-point of (2, 3) and (6, 7)?

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Question 163


Two numbers x and y are such that when divided by 6, they leave remainders 4 and 5 respectively. Find the remainder when x^2 + y^2 is divided by 6.

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Question 164


Vijay and Shivku start simultaneously from the opposite ends of a pool which is 50 m long. They pass each other, reach the respective ends and immediately turn back. Now they meet at a distance of 15 m from where Vijay started 10 s after the start. Find the speed of Shivku.

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Question 165


A cone has a height h and base radius r. The volume of the cone is bisected by a plane parallel to the base which is at a distance of k from the base. Then k is

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Question 166


A cone circumscribes a sphere and its height is double the diameter of the sphere. The volume of the cone is K times the volume of the sphere. Then K is equal to

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Question 167


Which of the following is true

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Question 168


In a solution of 35 L, the ratio of milk to water is 4 : 1. If 7 L of water is added to the solution, then the ratio of milk to water in the resulting solution will be

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Question 169


The sum of a two-digit number and its reverse is equal to 99. How many such two-digit numbers are there?

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Question 170


Find next number in series
3,5,13,21,31

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