Page 373 - Start Up Mathematics_8 (Non CCE)

11. The least number that is a perfect square and is exactly divisible by 4, 5, 6, 12, 15, 18 and 36
is:
(a) 900 (b) 2,250 (c) 2,352 (d) 3,600

12. The next number in the series 23,37,49,94,73, _______ is:

(a) 87 (b) 95 (c) 64 (d) 32
13. The smallest number by which 24 should be multiplied to make it a perfect square is:

(a) 6 (b) 3 (c) 2 (d) 4

14. Honey can copy 50 pages in 10 hours and Honey and Arushi together can copy 70 pages in 10
hours. In what time can Arushi copy 26 pages?
(a) 13 h (b) 10 h (c) 5 h (d) 2 h

15. The sides of a rectangular field are in the ratio 3 : 2. If its area is 726 sq. m, then the diagonal
of the field is:
(a) 27.5 m (b) 11÷13 m (c) 45 m (d) 11÷3 m

16. A rectangular hall 12 m long, 10 m broad is surrounded by a verandah 2 m wide. The area of
the verandah is:
(a) 102 sq. cm (b) 104 sq. m (c) 106 sq. cm (d) 102 sq. m

17. The interior angle of a regular polygon exceeds the exterior angle by 140°. The number of
sides of the polygon is:
(a) 18 (b) 15 (c) 9 (d) 20

18. If Z = 52 and ACT is equal to 48, then BAT will be equal to:
(a) 39 (b) 41 (c) 44 (d) 46

19. In a certain code, AQFJL is written as 13479 and DMPN as 2568. How is QLPNDF written in
that code?
(a) 396824 (b) 369824 (c) 396284 (d) 369842

20. If NOR is coded as 2-3-6, then how is REST coded in the same code language?

(a) 6-19-6-7 (b) 5-19-5-8 (c) 6-19-7-8 (d) 6-18-5-8

Select a suitable figure from the four alternatives which would complete the figure matrix in
Q. 21–25.

21.

?

(a) (b) (c) (d)

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