If 1 + (1/2) + (1/3) + ... + (1/20) = k, then what is the value of (1/4) + (1/6) + (1/8) + ... + (1/40)?

Which of the following statement(s) is/are TRUE?

I. 3/71 < 5/91 < 7/99
II. 11/135 > 12/157 > 13/181

Which of the following statement(s) is/are TRUE?

I . 11×3+13×5+15×7+...+111×13 = 1213

II. 11×2+12×3+13×4+...+112×13 = 1213

Which of the following statement(s) is/are TRUE?

I. √(64) + √(0.0064) + √(0.81) + √(0.0081) = 9.07
II. √(0.010201) + √(98.01) + √(0.25) = 11.51

How many natural numbers are there between 1000 to 2000, which when divided by 341 leaves remainder 5?

If A = 1 – 10 + 3 – 12 + 5 – 14 + 7 + ... upto 60 terms, then what is the value of A?

The following Bar-diagram shows total number of males and females in 5 different organisations. Study it carefully to answer the questions.

What is the ratio of average number of females from the organisations A, B and C to the average number of males from the organisations C, D and E?

The following Bar-diagram shows total number of males and females in 5 different organisations. Study it carefully to answer the questions.

Males from organisations A and B together form what percent of total number of males from organisations C, D and E together?