operations on numbers (6.papers)

hcf and lcm (5.papers)

averages (8.papers)

problems on ages (9.papers)

percentage (4.papers)

profit and loss (4.papers)

ratio and proportion (5.papers)

chain rule (5.papers)

time and work (4.papers)

pipes and cisterns (5.papers)

time and distance (5.papers)

problems on trains (8.papers)

boats and streams (7.papers)

partnership (6.papers)

simple interest (4.papers)

compound interest (2.papers)

permutation and combination (3.papers)

clock (2.papers)

calendar (3.papers)

1

The product of the L.C.M. and H.C.F. of two numbers is 84. The sum of two numbers is 19. Find the numbers

2 & 17

6 & 13

7 & 12

8 & 11

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2

The least number, which when divided by 13, 18 and 20 leaves in each case a remainder of 7, is:

1504

2347

3544

3748

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4

Find the least multiple of 5, which when divided by 18, 11 and 14 leaves remainders 7, 0 and 3 respectively.

272

301

605

36

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