Direction (Q. 1 - 10) : What should come in place of the question mark (?) in the following questions ?

18 × 8 + (?)² = (15)²

A car completes a journey in 11 hrs. It covers the first half of the journey at the rate of 50 km/hr and the second half at the rate of 60 km/hr. The distance of total journey is

In how many different ways we can the letters of the word ‘NUMBER’ be arranged ?

? ÷ 40 × 9 = 378

45% of 1200 = 54% of ?

1354 + 1184 = ? % of 5640

5 1/8 of 208 + 786 = 2000 - ?

The difference between 56% of a number and 41% of the same number is 660. What is 8% of that number ?

The simple interest accrued on an amount of Rs. 12,450 at the end of 6 years is Rs. 8,964. What is the rate of interest p.c.p.a. ?

A plot of 575 square feet is available at the rate of Rs. 5,500 per square feet. If 25% of the total cost of the plot is to be paid for booking the plot, how much is the booking amount ?