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1.	What is the multiplicative identity of rational numbers?
Answer» What is the multiplicative identity of RATIONAL numbers? CHOOSE the correct OPTION from below list (1)0 (2)1 (3)2 (4)3 Answer:-(2)1

2.	5358 x 51 = ?
Answer» 5358 X 51 = ? Choose the CORRECT option from below LIST (1)273358 (2)273268 (3)273348 (4)273258 Answer:-(4)273258 Note:-5358 x (50 + 1) = (5358 x 50 + 5358 x 1) = (267900 + 5358) = 273258.

3.	Choose four rational numbers which are less than 5?
Answer» Choose FOUR RATIONAL numbers which are LESS than 5? Choose the correct option from below list (1)-1, 1, 2 and 3 (2)0, 1, 2 and 3 (3)1, 2, 3 and 4 Answer:-(1)-1, 1, 2 and 3

4.	How many centimetres make a decameter?
Answer» How MANY centimetres make a DECAMETER? CHOOSE the correct option from below list (1)100 (2)10 (3)1000 (4)10000 Answer:-(3)1000

5.	How many factors do a prime number have?
Answer» How MANY factors do a prime NUMBER have? CHOOSE the CORRECT option from below list (1)1 and the number itself (2)1 and 0 (3)2 and 1 (4)1 and 3 Answer:-(1)1 and the number itself

6.	Choose the smallest and perfect number?
Answer» CHOOSE the SMALLEST and perfect number? Choose the correct option from below LIST (1)4 (2)2 (3)8 (4)6 Answer:-(4)6

7.	Choose the additive and multiplicative identities of rational numbers.
Answer» Choose the additive and MULTIPLICATIVE identities of rational numbers. Choose the CORRECT OPTION from below list (1)1 and 0 (2)1 and -1 (3)1 and 2 (4)1 and 3 Answer:-(1)1 and 0

8.	111 13 112 24 113 35 117 ?
Answer» 111 13 112 24 113 35 117 ? Choose the correct option from below list (1)46 (2)79 (3)68 (4)57 Answer:-(2) 79 Note:-(1)Here 111 to be taken as last NUMBER of 111 and ADDITION of these 3 number so output is 1 and 1+1+1=13. (2)112 is equal last number of 112 is 2 and sum of 1+1+2=24 (3)113 is equal last number of 113 is 3 and sum of 1+1+3=35 (4)117 is equal last number of 117 is 7 and sum is 1+1+7=79

9.	1111=R 2222=T 3333=E 4444=N then 5555=?
Answer» 1111=R 2222=T 3333=E 4444=N then 5555=? Choose the correct option from below LIST (1)X (2)Z (3)Y (4)T Answer:-(3)Y Note:-1+1+1+1=FOUR and 2+2+2+2=EIGHT and 3+3+3+3=TWELVE and 4+4+4+4=16=SIXTEEN and Now 5+5+5+5=TWENTY. SO LAST CHARCTER of TWENTY is "Y"

10.	The largest 4 digit number exactly divisible by 88 is
Answer» The largest 4 digit number exactly divisible by 88 is Choose the correct option from below list (1)9944 (2)9768 (3)9988 (4)8888 (5)NONE of these Answer:-(1)9944 Note:-When we divide 9999 by 88 we get REMINDER 55. So our answer is 9999-55=9944

11.	1397 x 1397 = ?
Answer» 1397 x 1397 = ? CHOOSE the correct option from below list (1)1951609 (2)1981709 (3)18362619 (4)2031719 (5)None of these Answer:-(1)1951609 Note:-(1397)² = (1400 - 3)² = (1400)² + (3)² - (2 x 1400 x 3) = 1960000 + 9 - 8400 = 1960009 - 8400 = 1951609

12.	7, 10, 8, 11, 9, 12, ...
Answer» 7, 10, 8, 11, 9, 12, ... Choose the CORRECT option from below list (1)7 (2)10 (3)12 (4)13 Answer:-(2)10 Note:-EVERY alternating addition and subtraction series. In the first pattern 3 is added and then in second, 2 is subtracted.

13.	36, 34, 30, 28, 24, ...
Answer» 36, 34, 30, 28, 24, ... Choose the correct option from below list (1)20 (2)23 (3)22 (4)26 Answer:-(3)22 Note:-EVERY ALTERNATING NUMBER subtraction series. FIRST, 2 is subtracted, then 4, then 2, and so on.

14.	53, 53, 40, 40, 27, 27,.....choose the next number
Answer» 53, 53, 40, 40, 27, 27,.....CHOOSE the next number Choose the correct OPTION from below LIST (1)12 (2)14 (3)27 (4)53 Answer:-(2)14 Note:-In above series each number is repeated and there is difference of 13 in every third number so answer is 14

15.	22, 21, 23, 22, 24, 23, ...
Answer» 22, 21, 23, 22, 24, 23, ... Choose the correct OPTION from below list (1)22 (2)24 (3)25 (4)26 Answer:-(3)25 Note:-Simple alternating subtraction and addition SERIES and here 1 is SUBTRACTED, then 2 is ADDED, and so on.