Exams

Rakesh’s present age is 36 years. If 12 years ago, Deepak’s age was one-fourth of Rakesh’s age, then after 27 years what will be the age (in years) of Deepak?

If x3+ 2x2– 5x + k is divisible by x + 1, then what is the value of k?

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
_cca_a_ca_ac_ab

Two water-squash mixtures, the first having a water-to-squash ratio of 4 : 1 and the other having a ratio of 3 : 1, are blended in the ratio 1 : 2. What is the water : squash ratio in the blend?

How many times in a week does both the hands of the clock will coincide with each other?

The average marks obtained in a class of 50 students is 70%. The average of first 25 is 60% and that of 24 is 80%. What is the marks obtained by the last student?

The salt concentration (measured as salinity in parts per thousand), is greater than _______ % in hypersaline lagoons.

India is the largest producer and consumer of