1.HCF of 1007 and 1273 is :

2.The product of two numbers is 84 and their HCF is 2. Find the numbers of such pairs.

3.The product of two numbers is 15120 and their HCF is 6, find the number of such pairs

4.The number of pairs of two numbers whose product is 300 and their HCF is 5:

5.The largest possible number by which when 76, 132 and 160 are divided the remainders obtained are the same is :

6.Find the number of pairs of two numbers whose HCF is 5 and their sum is 50.

7.The largest possible length of a tape which can measure 525 cm, 1050 cm and 1155 cm length of cloths in a minimum number of attempts without measuring the length of a cloth in a fraction of the tape's length

8.Minimum how many similar tiles of square shape are required to furnish the floor of a room with the length of 462 cm and breadth of 360 cm?

9.The ratio of two numbers is 15: 11. If their HCF be 13 then these numbers will be :

10.The three numbers are in the ratio 1:2:3 and their HCF is 12. These numbers are

11.Two pencils are of 24 cm and 42 cm. If we want to make them of equal size then minimum no. of similar pencils is

12.The unit digit of the following expression (1!)^99 + (2!)^98 + (3!)^97 + (4!)^96 + ... (99!)^1 is:

13.The sum of all four digit numbers which are divisible by 7 is:

14.What are the values of the digits a and b, respectively, in the number a 5523879 b, if it is divisible by both a and b :

15.(2^19 + 1) is divisible by:

16.The unit digit of (12345k) ^ 72 is 6. The value of k is:

17.What is the least number which must be subtracted from 369 to make it a perfect cube?

18.The quotient when 12.5 is divided by 1/6 is:

19.Three bells, toll at interval of 36 sec, 40 sec and 48 sec respectively. They start ringing together at particular time. They will toll together next time after :

20.The greatest integer that divides 358, 376, 232 leaving the same remainder in each case is:

21.For a journey the cost of a child ticket is 1/3rd of the cost of an adult ticket. If the cost of the tickets for 4 adults and 5 children is Rs.85, the cost of a child ticket is:

22.The least number which is a perfect square and has 540 as a factor is:

23.A fraction becomes 4 when 1 is added to both the numerator and denominator and it becomes 7 when 1 is subtracted from both the numerator and denominator. The numerator of the given fraction is :

24.The largest sum of money which is contained in both Rs.49.56 and Rs.38.94 an exact number of times is:

25.Tanya gives away to each of four girls 1/12,5/18,7/30,7/48 of the apples in a basket and has only just enough apples to be able to do so without dividing an apple. The minimum number of apples she has in her basket :