DELHI POLICE QUANT QUIZ-5

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Question 1:

Speed of an aircraft is 120 km/min. This speed in m/sec is:

Question 2:

The salaries of Ravi and Sumit are in the ratio 4: 5. If the salary of each is increased by ₹ 6,000 the new ratio becomes 35: 40. What will be Sumit's increased salary?

Question 3:

The ratio of the speed of two trains is 3 : 8. If the first train travels 300 km in 5 hours, then what is the sum of the speeds (in km/h) of both the trains?

Question 4:

$\frac{63.5 \times 63.5 \times 63.5+36.5 \times 36.5 \times 36.5}{6.35 \times 6.35+3.65 \times 3.65-6.35 \times 3.65}$ is equal to


Question 5:

Find the highest common factor of 306, 204 and 136.

Question 6:

If a nine-digit number $789 x 6378 y$ is divisible by 72 , then the value of $x + y$ is:

Question 7:

The third proportional of 12 and 18 is:

Question 8:

Amit has Rs. 67 in the form of 2 rupee, 1 rupee and 50-paise coins in the ratio $8: 9$ : 17. Find the number of 50 -paise coins.

Question 9:

If the simple interest on a certain sum of money borrowed for 4 years at $8.5 \%$ per annum exceeds the simple interest on the same sum for 3 years at $10.5 \%$ per annum by Rs. 1000 , then the sum borrowed is:

Question 10:

In a division operation, the divisor is 5 times the quotient and 9 times the remainder. If the remainder is 25, what will be the dividend?