Number System of Mathematics.

 

 

Numbers

Answer all questions:

1.      The difference between the local value and face value of 6 in the numeral 586723 is ___. (723/6717/5994/None)

2.      The place value of 7 in the numeral 634721 is _____.(7/721/714/700/None)

3.      The difference between the place values of 8 in the numeral 6283481 is ____.(0/83400/79920/753)

4.       The unit digit in 7 ¹⁰⁵ is ____.(5/7/9/1)

5.      The unit digit in (3⁶⁵ x 6⁵⁹ x 7⁷¹) is___.(1/2/4/6)

6.      The unit digit in (7⁹⁵-3⁵⁸) is____.(0/4/6/7)

7.      The digit in the unit place of the product (2137)⁷⁵⁴ is ____.(1/3/7/9)

8.      The unit digit in (584 x 428 x 667 x 213) is _____.(2/3/4/5)

9.      What is the unit digit in (3254)¹⁷⁹³ x (415)³¹⁷ x (214)⁴⁹¹? (0/2/3/5)

10.  If the unit digit in (549 x 56 x 28* x 684) be 8, then what digit will be there in place of *? (4/3/2/1)

11.  If 17 ²⁰⁰ s divided by 18, the remainder is (17/16/1/2).

12.  (1²-2²+3²-4²+5²-6²+….+9²-10²)=?          (45/-45/-54/-55).

13.  1014x986=? (988804/998814/998904/999804).

14.  (?)²=351649. (433/583/623/593/None).

15.  888888÷888÷88=? (88889/29/44449/11/56)

16.  (45+46+47+….+113+114+115)=? (5600/5656/5680/4000)

17.  Which of the following fractions is less than 7/8 and greater than 1/3.? (1/4,23/24,11/12,17/24)

18.  1008x992=? (990936/999816/969836/999936)

19.  5/6x2/9÷4/9÷6/7=? (0.44/0.32/0.49/0.36/0.4)

20.  7589-?=3434 (11023/4245/4155/11123/None)

21.   (1/2/789/1103)

22.  If(64)²-(36)²=20xX,thenx=? (70/120/180/140)

23.  The first prime number is : (0/1/2/3)

24.  The sum of first five prime number is (11/18/26/28)