If a fraction `a/b` is a lowest terms. Then HCF of `a\ a n d\ b` is a (b) b (c)1 (d) ab

The HCF of 95 and 152 , is (a) 57 (b) 1 (c) 19 (d) 38

A B C D is a trapezium with parallel sides A B=a\ a n d\ D C=bdot If E\ a n d\ F are mid-points of non-parallel sides A D\ a n d\ B C respectively, then the ratio of areas of quadrilaterals A B F E\ a n d\ E F C D is: a : b (b) (a+3b):(3a+b) (3a+b):(a+3b) (d) (3a+b):(3a+b)

The fraction (84)/(98) in its lowest terms is (42)/(49) (b) (12)/(14) (c) 6/7 (d) 3/7

If the first second and last term of an A.P. are a ,\ b ,\ a n d\ 2a\ respectively then its sum is a. (a b)/(2(b-a)) b. (a b)/(b-a) c. (3a b)/(3(b-a)) d. none of these

In a circle with centre O ,\ A B\ a n d\ C D are two diameters perpendicular to each other. The length of chord A C is (a) 2A B (b) sqrt(2)AB (c) 1/2A B (d) 1/(sqrt(2))\ A B

Which of the following fraction is an irreducible (or in its lowest terms)? (a) (91)/(104) (b) (105)/(112) (c) (51)/(85) (d) (43)/(83)

If 1/(b-a)+1/(b-c)=1/a+1/c , then (A). a ,b ,a n dc are in H.P. (B). a ,b ,a n dc are in A.P. (C). b=a+c (D). 3a=b+c

In Figure, A B C is a triangle in which /_B=2/_C . D is a point on side B C such that A D bisects /_B A C\ a n d\ A B=C D. B P is the bisector of /_B . The measure of /_B A C is (a) 72^0 (b) 73^0 (c) 74^0 (d) 96^0

a\ a n d\ b are two co-primes. Which of the following is/are true? (a) LCM (a ,\ b)=\ a\*\ b (b) HCF (a ,\ b)=1 (c) Both (a)a n d\ (b) (d) Neither (a)\ n o r \ (b)

if a,b,c and d are the coefficient of four consecutive terms in the expansion of (1+x)^(n) then (a)/(a+b)+(C) /(c+d)=?