Find the sum of :
a. 2004 and -777
b. -3897 and -4216
c. -5068 and 4957
d. -234, 567, -893, 56, -23

Find the common factors of :(a) 20 and 28 (b) 15 and 25 (c) 35 and 50 (d) 56 and 120

Find the sum of (a) 137 and (-354) (b) (-52) and 52 (c) -312, 39 and 192 (d) -50, -200 and 300

The successor of -22 is (a) -23 (b) -21 (c) 23 (d) 21

Write the Roman numerals for: a. 87 b. 93 c. 56 d. 72

Find the value of :^50C_4+sum_(r=1)^6 .^(56-r)C_3.

Find the sum of each of the following : {:(a.,22 + (+45),b.,(-340) + (-236)),(c.,(-23) + (+34),d.,(-6473) + 432),(e.,(-2541) + 3003,f.,456 + (-1783)):}

In Fig.71, if A B C D , then the values of x ,\ y\ a n d\ z are x=56 ,\ y=47 ,\ z=77 (b) x=47 ,\ y=56 ,\ z=77 x=77 ,\ y=56 ,\ z=47 (d) x=56 ,\ y=77 ,\ z=47

If the mode of 22 ,\ 21 ,\ 23 ,\ 24 ,\ 21 ,\ 20 ,\ 23 ,\ 26 ,\ x and 26 is 23, then x= (a) 20 (b) 21 (c) 23 (d) 24

If a: b= 2: 3, b: c= 4: 5 and c: d= 6: 7 , find : a: b: c:d .

Weight of CO_(2) in a 10 L cylinder at 5 atm and 27 .^(@)C is (A)200 g (B)224 g (c)44 g (d) 89.3 g