REAL NUMBER

The largest number that will divide 398,436 and 542 leaving remainders 7,11 and 15 respectively is

• 17

• 15

• 45

• 34

Express 98 as a product of its primes

• 2² × 7(b) 2² × 7²(c) 2 × 7²(d) 23 × 7

• 2² × 7²

• 2 × 7²

• 23 × 7

Three farmers have 490 kg, 588 kg and 882 kg of wheat respectively. Find the maximum capacity of a bag so that the wheat can be packed in exact number of bags

• 98 kg

• 290kg

• 200 kg

• 350 kg

 $\frac{441}{2^2\times5^3\times7}$  The decimal expansion of number  has:

• a terminating decimal
  
  

• non-terminating but repeating

• non-terminating non repeating

• terminating after two places of decimal

Two natural numbers whose sum is 85 and the least common multiple is 102 are

If the HCF of 65 and 117 is expressible in the form 65m – 117, then the value of m is...........

A basket starfish has more than 80,000 arms. If each arm needed a glove, how many pairs of gloves would you need?

If two positive integers a and b are written as a = x3y2 and b = xy3; x, y are prime numbers, then HCF (a, b) is

Find LCM of numbers whose prime factorisation are expressible as 3 × 52 and 32 × 72.