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Browse complete papersTank A and Tank B are two identical tanks. Tank A and Tank B have 2 and 3 holes respectively in their bottoms. A pipe fills each tank (with holes) in 20 hours. If the holes empty fully filled Tank A and Tank B in x hours and y hours respectively, then how is x related to y?
x = y
x > y
x < y
None of the above
Correct answer
x = y
P, Q, R and S can finish a work in 1, 2, 3 and 4 days respectively. If P and Q start working together to finish the work in the shortest possible time, then find the time it will take to finish the work.
2/3 days
3/2 days
6/5 days
4/5 days
Correct answer
2/3 days
Three babies are born at 6:00 am, on consecutive days, the 15th, 16th and 17th month. What is the sum of their ages on the 18th of that month at 6:00 am?
5 days
6 days
48 days
49 days
Correct answer
5 days
In a class, there are 30 boys and 14 girls. What is the ratio of boys to girls?
7 ∶ 15
15 ∶ 7
8 ∶ 7
None of the above
Correct answer
7 ∶ 15
A man buys a box for Rs. 400 and sells it for Rs. 444. Find the profit.
Rs. 4
Rs. 40
Rs. 44
Rs. 56
Correct answer
Rs. 4
Simplify
\(\sqrt[3]27+ \sqrt4 + 1\)
5
6
16
32
Correct answer
5
Surekha has 5 red balls in a bag. She draws a ball from the bag. Find the probability that the drawn ball is red ball.
0
0.5
1
None of the above
Correct answer
0
A persons covers a distance D in time T at a constant rate. Which of the following equations is correct for finding speed of the person?
\(D\over T\)= Constant
\(T\over D\)= Constant
D\(\times\)T = Constant
D+ T = Constant
Correct answer
\(D\over T\)= Constant
What is the square root of square root of 16?
2
4
8
16
Correct answer
2
A 10 m long rectangle is cut in half to from two squares. If the side of the square is 5 m, find the breadth of the rectangle.
2.5 m
5 m
7.5 m
10 m
Correct answer
2.5 m