Number System A man engaged a servant on the condition that he would pay him Rs.900 and a uniform after one year service. He served only for 9 months and received uniform and Rs.650, find the price of the uniform? Rs.80 Rs.85 Rs.100 Rs.90 Rs.80 Rs.85 Rs.100 Rs.90 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9/12 = 3/4 * 900 = 675 650 ------------- 251/4 -------- 251 --------- ? => Rs.100
Number System 16.23 x 12.9 + 17.32 = ? 226.687 236.687 246.687 None of these 226.687 236.687 246.687 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 16.23 x 12.9 + 17.32= 209.367 + 17.32= 226.687
Number System Complete the series : 11, 12, 17, 18, 23, 24 ... None of these 14 30 12 None of these 14 30 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP None of these
Number System In how many different ways can the letters of the word FORMULATE be arranged ? 382880 372880 362880 392880 382880 372880 362880 392880 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of letters = 9! = 9*8*7*6*5*4*3*2*1 = 362880
Number System If the sum and difference of two numbers are 20 and 8 respectively, then the difference of their square is: 160 180 28 12 160 180 28 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and y. Then, x + y = 20 and x - y = 8x2 - y2 = (x + y)(x - y) = 20 * 8 = 160.
Number System If 70% of an equal to 40% of b, then ratio between a and b is? 4: 7 7: 4 None 7: 11 4: 7 7: 4 None 7: 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 70 a = 40 ba: b = 4: 7