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The least number which when diminished by 7 is divisible by 21, 28, 36 and 45 is________?

A. 1267
B. 1265
C. 1261
D. 68

Four bells begin to toll together respectively at the intervals of 8, 10, 12 and 16 seconds. After how many seconds will they toll together again?

A. 246 seconds
B. 242 seconds
C. 240 seconds
D. 243 seconds

The product of two digits number is 2160 and their HCF is 12. The numbers are________?

A. (36,60)
B. (12,180)
C. (96,25)
D. (72,30)

The greatest number of five digits which is divisible by 32, 36, 40, 42 and 48 is_________?

A. 90730
B. 90725
C. 90715
D. 90720

The least number of four digits which is divisible by 4, 6, 8 and 10 is_________?

A. 1080
B. 1085
C. 1075
D. 1095

The greatest number of four digits that have 144 for their HCF is___________?

A. 9930
B. 9903
C. 9935
D. 9936

The least number of five digits that have 144 their HCF is__________?

A. 10085
B. 10080
C. 10075
D. 10070

A gardener was asked a plant flowers in a row containing equal number of plants. He tried to plant 6, 8, 10 and 12 in each row, but 5 plants left in each case. When he planted 13 in a row, no plant was left. Find the number of plants with him?

A. 245
B. 125
C. 485
D. 845

Find the smallest number which when increased by 5, divisible by 6, 9, 15, 20 and 24?

A. 344
B. 355
C. 366
D. 377

Find the greatest 4-digit number exactly divisible by 3, 4 and 5?

A. 9985
B. 9960
C. 9957
D. 9975

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The least number which when diminished by 7 is divisible by 21, 28, 36 and 45 is________?

Four bells begin to toll together respectively at the intervals of 8, 10, 12 and 16 seconds. After how many seconds will they toll together again?

The product of two digits number is 2160 and their HCF is 12. The numbers are________?

The greatest number of five digits which is divisible by 32, 36, 40, 42 and 48 is_________?

The least number of four digits which is divisible by 4, 6, 8 and 10 is_________?

The greatest number of four digits that have 144 for their HCF is___________?

The least number of five digits that have 144 their HCF is__________?

A gardener was asked a plant flowers in a row containing equal number of plants. He tried to plant 6, 8, 10 and 12 in each row, but 5 plants left in each case. When he planted 13 in a row, no plant was left. Find the number of plants with him?

Find the smallest number which when increased by 5, divisible by 6, 9, 15, 20 and 24?

Find the greatest 4-digit number exactly divisible by 3, 4 and 5?

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