Arrange the following in descending order. (A) √3 − √2 (B) √4 − √3 (C) √5 − √4 (D) √2 − 1 Choose the correct answer from the options given below:

Anand's income is ₹140 more than Biren's income and Chandu's income is ₹80 more than Deepak's. If the ratio of Anand's and Chandu's income is 2 : 3 and the ratio of Biren's and Deepak's income is 1 : 2, then the incomes of Anand, Biren, Chandu and Deepak are respectively:

A fair coin is tossed repeatedly. If tail appears on the first four tosses, then the probability of head appearing on the fifth toss equals

In a race A, B and C take part. A beats B by 30 metres, B beats C by 20 metres and A beats C by 48 metres. Given below are two statements: Statement I: The length of the race is 300 metres. Statement II: The speeds of A, B and C are in the ratio 50 : 45 : 40. In the light of the…

Equal amounts of ₹1,000 each are lent to two persons for 3 years, one @ 30% simple interest and the second at 30% compound interest annually. By how much percent is the compound interest greater than the simple interest received in this 3-year duration?

A man takes 4 hours 20 minutes in walking to a certain place and riding back. If he walks both sides, he loses 1 hour. The time he would take by riding both ways is

A merchant earns 25% profit in general. Once 25% of his consignment was abducted forever by some thieves. Trying to compensate for his loss he sold the rest of his consignment by increasing his selling price by 20%. What is the new percentage profit or loss?

Alpha and Beta are two chemical fertilizers. Alpha consists of N, P, K and Beta consists of N and P. A mixture of Alpha and Beta is prepared in which the ratio of N, P and K is 26%, 68% and 6%. The ratio of N, P, K in Alpha is 20%, 70% and 10%. What is the ratio of N and P in Bet…

Given below are two statements: Statement I: The perimeter of a triangle is greater than the sum of its three medians. Statement II: In any triangle ABC, if D is any point on BC, then AB + BC + CA > 2AD. In the light of the above statements, choose the correct answer from the opt…