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RS AGGARWAL-HCF AND LCM OF NUMBERS-All Questions
- Find the least number which when divided by 16, 18, 20 and 25 leaves 4...
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- A gardener has to plant trees in rows containing equal number of tr...
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- When Seeta made necklaces of either 16 beads, 20 beads or 36 beads,...
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- An electronic device makes a beep after every 60 sec. Another devic...
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- Six bells commence tolling together and toll at intervals of 2, 4, ...
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- Four bells begin to toll together and toll respectively at interval...
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- Four different electronic devices make a beep after every 30 minute...
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- Three girls start jogging from the same point around a circular tra...
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- Three persons walking around a circular track complete their respec...
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- A ,\ B and C start at the same time in the same direction to run aroun...
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- Three wheels can complete 40, 24 and 16 revolutions per minute resp...
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- A pendulum strikes 5 times in 3 seconds and another pendulum strike...
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- Find the HCF of 132, 204 and 228. (a) 12 (b) 18 (c) 6 ...
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- If three numbers are 2a ,\ 5a and 7a what will be their LCM? 70 a (...
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- The product of two whole numbers is 1500 and their HCF is 10. Find ...
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- A number x is divided by 7. When this number is divided by 8, 12 and 1...
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- The number of pair of positive integers whose sum is 99 and HCF is ...
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- The ratio of two numbers is 3 : 4 and their LCM is 120. The sum ...
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- The greatest four digit number which is exactly divisibly by each o...
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- The traffic lights at three different signal points change after ev...
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