NTPC CBT 2 QUANT QUIZ 2

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Question 1:

If A=[37 of 415÷1815+1724] of [28916÷(34+23)2] then the value of 8 A is

Question 2:

In a 72 litre mixture of acid and water, ratio of acid and water is 5:3. How much water is added in the mixture so that ratio of acid and water becomes equal.

Question 3:

A train running at a speed of 120× kmh takes 48 seconds to pass a tunnel. Also it takes 30 seconds to pass a man walking at 12×kmh in the same direction in which the train is going. Find the length of the train and the length of the tunnel.

Question 4:

A and B can do a certain work in 14 days and 15 days, respectively. They work together for 5 days. C alone completes the remaining work in 5 days. A and C together can complete 423 part of the same work in:

Question 5:

The ratio between the number of men and women in an office is 4:7. If the number of women working in the office is 63 . Find the number of men working in an office

Question 6:

If p3+q3:p3q3=133:117 Find p:q

Question 7:

A woman invests Rs. 100 at the start of each year at 5% compound interest per annum. How much will her investment be, at the end of the 2nd year?

Question 8:

The surface area (in sq.cm.) of a sphere with radius 1.5 cm is: (Take π=227 )

Question 9:

Apurva travelled equal distances at speeds of 10km/hr , 20km/hr , and 6 km/hr, and took a total time of 19 minutes. Find the total distance travelled in km.

Question 10:

Two numbers are in ratio 3: 8 and their HCF is 7 . Their LCM is: