6.
25, 32, 481 people live in state A. 2, 82, 745 people moved from state B to state A and 18, 452 people moved from state A to state C. How many people now live in state A?
8.
Water level in a well was 30 m below ground level. During rainy season, rainwater collected in different water tanks was drained into the well and the water level rises 10 m above the previous level. The wall of the well is 1m 30cm high and a pulley affixed at a height of 70 cm. Ram wants to draw water from the well. The minimum length of the rope, that he can use is
15.
Which of the following pair of numbers are co-prime? (30,415), (17,68), (16,81), (9,81)
19.
Write the smallest and the largest seven digit numbers that you can form using the digits: 6, 2, 3, 7, 0, 9 and 5, without repeating the digits.