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 Beta?

Reema had 'n' chocolates. She distributed them among 4 children in the ratio of 1/2 : 1/3 : 1/5 : 1/8. If she gave each one a complete chocolate, the minimum number of chocolates she had distributed is

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

20 girls, among whom are A and B, sit down at a round table. The probability that there are 4 girls between A and B is

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…

If x² = y + z, y² = z + x and z² = x + y, then the value of 1/(x+1) + 1/(y+1) + 1/(z+1) is

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 vegetable vendor by means of his false balance defrauds to the extent of 10% in buying goods and also defrauds to 10% in selling, then the gain percent is

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: