Number System The cost of 87 pens and 29 pencils is `783. What is the cost of 90 pens and 30 pencils ? Rs. 800 Rs. 810 Rs. 830 Rs. 820 Rs. 800 Rs. 810 Rs. 830 Rs. 820 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 What will be the next number in the following number series ? 177 182 162 191 177 182 162 191 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1² + 1, 3² + 3, 5² + 5, 7² + 7
Number System In a division sum, the divisor is 10 times the quotient and 5 times the remainder. If the remainder is 46, the dividend is: 2568 6890 5336 9865 2568 6890 5336 9865 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5336
Number System Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number? 180 140 240 160 180 140 240 160 ANSWER DOWNLOAD EXAMIANS APP
Number System ?125÷5x ?=6265 124 1452 1253 153 124 1452 1253 153 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1253
Number System (164 x 175) x ? = 258300 9 2 11 5 9 2 11 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 258300 / 164 x 175 = 9
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