A pile of identical one rupee coins are placed over ametre scale as shown in the figure. The thickness of aone rupee coin is ________.(a) 1.56 mm (b) 1.56 cm(c) 1.67 mm (d) 1.67 cm

Which of the following is the most suitable instrument to measure the thickness of a coin? *2 pointsMicrometre screw gaugeVernier callipersTape measureMetre rule

A coin has a radius of 1.121.12 cm and a thickness of 1.71.7 mm. Find its volume in m3

The number of coins, each of radius 0.75 cm and thickness 0.2 cm to be melted to make a right circular cylinder of height 8 cm and base radius 3 cm is:460500600640

The number of coins of radius 0.75 cm and thickness 0.2 cm to be melted to make right circular cylinder of height 8 cm and base radius 3 cm is

A) 3⁄4 B) 1⁄2 C) 3⁄4 D) 1/83. Write the following as decimals.4 Write as fractions in lowest form.(a) 0.05 (b) 20.255. Express the following as rupees using decimals:(a) 7 paise (b) 625 paise6. Read the numbers from the place value table and write them in decimals;7. Write the following decimals in their expanded form:(a) 27.65 (b) 102.05 (c) 36.36 (d) 0.5078. Express each of the following in terms of litres (L) using decimals:(a) 625 mL(b) 760 mL(c) 11 L 125 mL(d) 7 L 350 mL9. Doremon purchased 15.500 kg rice, 25.750 kg flour and 3.250 kg sugar. Find the totalweight of his purchases. Is it 50 kg or less? If less, how much less?10. Ten years old Nobita can carry a maximum weight of 15 kg. If he bought 4 kg 900 gof apples, 2 kg 600 g of grapes and 5 kg 300 g of mangoes. Can he carry the totalweight that he bought? If yes, then how much more weight he can carry with him?11. A die was thrown 35 times and the following numbers were obtained:5, 1, 4, 2, 3, 2, 6, 6, 1, 4, 2, 5, 4, 5, 3, 6, 1, 52, 6, 2, 5, 4, 1, 3, 2, 1, 4, 1, 6, 2, 6, 3, 3, 3Prepare a frequency table for the data12. Mr. Rajan made a pictograph given below to show the number of cars washed at a carwashing station during three days of a week.From the pictograph, find that:(a) How many cars were washed on(i) Friday(ii) Saturday(iii) Sunday?(b) On which day the maximum number of cars were washed at the station?(c) On which day the minimum number of cars were washed at the station?(d) How many more cars were washed on Saturday than on Friday?13. The difference between smallest positive and greatest negative integer isa) 1 b) -1 c)2 d) 014 Find (–15) – (–18)15. A child was given 5 quiz tests and the scores of his were recorded as follows : -3, +7,0, -2, 6i) What is the lowest score the child got?(a) -3 (b) -2 (c) 0 (d) 6(ii) What is the difference between the highest and the lowest score?(a) 4 (b) -4 (c) -10 (d) 10(iii) Which integer lies to the extreme left on the number line?(a) -2 (b) 0 (c) -3 (d) 7(iv) Find the sum of -3, +7, 0, -2, 6.