21.

Find the correct relationship between G.C.D and L.C.M.

I. G.C.D. = L.C.M.

II. G.C.D. ≤ L.C.M.

III. L.C.M. ≤ G.C.D.

IV. L.C.M. > G.C.D.

22.

If p,q,r,s,t are in A.P, then the value of p-4q+6r-4s+t is

23.

The G.C.D. and L.C.M of 90,150,225 is

24.

If find the value of

25.

Which of the following statement is fase in a Parallelogram?

A.

The opposite sides are parallel

B.

The opposite angles and sides are equal

C.

The diagonals are equal

D.

The diagonals bisect each other

26.

Reciprocal of 0 is

27.

Which one of the following statements is false?

A.

Among the common divisors of given numbers,the greatest divisor is the G.C.D.

B.

If the G.C.D. of any two numbers is 1 they are said to be prime numbers

C.

Among the commom multiples of given numbers,the least is the L.C.M

D.

The product of any two numbers is equal to the product of their G.C.D. and L.C.M.

28.

Which State Government has launched Gyankunj e-class project?

29.

The Union Ministry of health and family welfare and ICMR launched IHMI on November-28-2017. What does IHMI sands for?

A.

India Hypertension Management Initiative

B.

India Health Management Initiative

C.

Indian Heart and Mind Care Intellect

D.

India Health Maintenance Initiative

30.

What commission sets up international food standard?

A.

Codex Alimentations Commission

B.

Food and Agricultural Commission

C.

World Health Commission

D.

I.S.I