Quantitative Ab...

In a test consisting of 120 questions, a candidate correctly answers 60% of the first 90 questions. What percentage of the remaining questions does he need to answer correctly so that his answers to 55% of the total questions in the test are correct?

The ratio of coconut water and watermelon juice in a 500 ml solution is 3 ∶ 2. Some quantity of watermelon juice is added to the solution and the ratio becomes 1 ∶ 1. Find the amount of watermelon juice added.

If a dozen apples weigh 1.8 kg in total, how many apples will be there in 3 boxes weighing 23.250 kg each?

The H.C.F. of 2268 and 3388 is:

Basim sold 25kg of apples to A at 10 % discount and 15kg of apples to B at 20% discount. If he gave discount on marked price and total profit amount earned by Basim is Rs. 360 which is 15%, then by what percent he marked up the apples over cost price?

The probability of an event ‘A’ happening on Monday is 40% and probability of event ‘B’ happening on Monday is 35%, what is the probability that either event A or event B is happening on Monday?

A horse takes  seconds to complete a round around a circular field. If the speed of the horse was 66m/sec, then the radius of the field is,

Suresh started his journey form P to Q by his bike at the speed of 40km/h and then, the same distance he travelled on his foot at the speed of 10 km/h from Q to R. Then he returned from R to P via Q at the speed of 24 km/h. The average speed of the whole trip is:

Find a fraction with denominator 30 which is equivalent to 5/6.

The value of a machine depreciates at the rate of 25% each year. If the difference between its values at the end of the third and the fourth year is Rs.17,199, then what is the value of the machine at the end of the first year?