`5//7 "of" 567+2/5 "of" 485=?`

1-:(-5)/7= 2/7 (b) 5/7 -2/7 (d) (-7)/5

Evaluate: (5.67 xx 5.67 xx 5.67 + 4.33 xx 4.33 xx 4.33)/(5.67 xx 5.67 - 5.67 xx 4.33 + 4.33 xx 4.33)

The value of 515 xx485 is: 515 xx485 का मान है :

85% of 485.5=50% of ? a.675.75 b.735.65 c.825.35 d.915.5 e.none of these

Evaluate : ( -5/ 7 ) times [ 2/5 + ( -4/7 ) ] = ( -5/7 ) times 2/5 + --- times ( -4/7 )

1-:(-5)/7= (a) 2/7 (b) 5/7 (c) -2/7 (d) (-7)/5

If : cos 3 A + cos 5 A + cos 7 A + cos 15 A = 4 cos mA * cos n A * cos pA, then , the values of m, n, p are A)2,3,4B)3,4,5C)4,5,6D)5,6,7

The mean of 2/5 , 5/7 , 3/5 and 2/7 is ........