Number System The cost of 87 pens and 29 pencils is `783. What is the cost of 90 pens and 30 pencils ? Rs. 830 Rs. 820 Rs. 810 Rs. 800 Rs. 830 Rs. 820 Rs. 810 Rs. 800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the price of a pen be 'x' and that of pencil be 'y' Then 87x + 29y = 783Multiplying eqn (i) by 30/29 we get (87x) x 30/29 + (29y) 30/29 = 783 x 30/29∴ 90x + 30y = 810
Number System 1089/? = ?/1296 1188 1278 1348 1082 1188 1278 1348 1082 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 1089 x 1296(?)²= (11 x 11 x 9) x (12 x 12 x 9)(?)= 11 x 12 x 9= 1188
Number System (4300731) - ? = 2535618 1865113 1775123 1765113 1675123 1865113 1775123 1765113 1675123 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 4300731 - x = 2535618Then, x = 4300731 - 2535618 = 1765113
Number System 148 x 3.75 x 4 = 111 x ? 24 17 20 19 24 17 20 19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 148 x 3.75 x 4/111 = 20
Number System If the sum of one-half of a number exceeds one-third of that number by 7 1/3, the number is: 20 18 30 15 20 18 30 15 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,(1/2 x + 1/5 x) - 1/3 x = 22/311/30 x = 22/3x = 20
Number System If HKUJ means FISH, what does UVCD mean ? STAK STAB STAM STAR STAK STAB STAM STAR ANSWER EXPLANATION DOWNLOAD EXAMIANS APP STAB