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RRB JE 2019 | Day 5 | Quant Quiz 3

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Question 1

If , then the value of is

Question 2

If (2a – 3)2 + (3b + 4)2 + (6c + 1)2 = 0, then the value of  is:

Question 3

What is the value of positive square root of 14 + 6√5 ?

Question 4

A sum of money placed at compound interest doubles itself in 5 years. It will amount to eight times of itself in:

Question 5

How many factors of 106 is/are prime number?

Question 6

The population of a town is 9000. It the number of females increases by 5% and the males by 7.5%, what will be the total population after increase, if the number of females currently is 3000. 

Question 7

Rohit buys an odd bat for Rs 1230 and spends Rs 180 on its repairs. If he sells it for Rs 1128, then what is his loss percentage?

Question 8

4/5 part of a tank is filled with oil. After taking out 42 litres of oil the tank is 3/4 part full. What is the capacity (in litres) of the tank?

Question 9

To do a certain work, B takes thrice as long as A and C together take and C takes twice as long as A and B together take. Three men together can complete the work in 10 days. The time taken by A to complete the work alone is

Question 10

If sin (A- B) = sin A cos B ­- Cos A sin B, then sin 15 ° will be
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