Number System The product of two consecutive odd numbers is 4623. What is the product of the next two consecutive odd numbers ? 7745 5183 6782 8795 7745 5183 6782 8795 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √4623 = 6767 x 69 = 4623∴ Required product = 71 x 73 = 5183
Number System √360 - 225 x 2 + 379 = ? 20 19 18 17 20 19 18 17 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √360 - 225 x 2 + 379 = √360 - 450 + 379 = √289= 17
Number System In how many different ways can the letters of the word FORMULATE be arranged ? 392880 372880 382880 362880 392880 372880 382880 362880 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of letters = 9! = 9*8*7*6*5*4*3*2*1 = 362880
Number System If A = 1, B = 3, C = 5 and so on, what do the numbers 3, 9, 7 stand for BAT CAT BED CAR BAT CAT BED CAR ANSWER EXPLANATION DOWNLOAD EXAMIANS APP BED
Number System Of an amount, 20% of 25% of 30% is Rs 75. Then what is the original amount ? Rs. 2000 Rs. 3000 Rs. 5000 Rs. 4000 Rs. 2000 Rs. 3000 Rs. 5000 Rs. 4000 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the amount be x.∴ X x 20/100 x 25/100 x 30/100 = 75∴ X = 75 x 5 x 4 x 10/3 = 5000
Number System 75% of 250 - ?% of 380 = 54.5 31 33 35 39 31 33 35 39 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 250 x 75/100 - 380 x ?/100 = 54.5= 250 x 75 - 380 x ?= 54.5 x 100= 18750 - 380 x ?= 5450= 380 x? = 18750 - 5450= 13300= ? = 13300/380 = 35
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