60840 `-:234=?` 225 (b) 255 (c) 260 (d) 310 None of these

If a+b+c=9 and a b+b c+c a=23 , then a^2+b^2+c^2=? (a)35 (b) 58 (c) 127 (d) none of these

In how many different ways can the letters of the word CREAM be arranged? (a) 25120quad (c)260 (d) 480 (e) None of these

If a ,\ b ,\ c are in proportion, then (a) a^2=b c (b) b^2=a c (c) c^2=a b (d) None of these

sqrt(.0025)xx sqrt(2.25)xx sqrt(.0001)=?(a).000075 (b) .0075(c).075 (d) None of these

The maximum sum of the series 20+19 1/3+18 2/3+...... is (A) 310 (B) 300 (C) 0320 (D) none of these

The maximum sum of the series 20+19 1/3+18 2/3+...... is (A) 310 (B) 300 (C) 320 (D) none of these

The maximum sum of the series 20+19 1/3+18 2/3+...... is (A) 310 (B) 300 (C) 0320 (D) none of these

If a ,\ b ,\ c ,\ d are in proportion, then (a) a b=c d (b) a c=b d (c) a d=b c (d) None of these

If A B , B C a n d C D are equal chords of a circle with O as centre and A D diameter, then /_A O B= 60^0 (b) 90^0 (c) 120^0 (d) none of these

If A B ,\ B C\ a n d\ C D are equal chords of a circle with O as centre and A D diameter, then /_A O B= (a) 60^0 (b) 90^0 (c) 120^0 (d) none of these