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1.distance D=rt where r & t are +ve and r is constant, as t increases then

D_________

ans:D increses irrespective of r & t

2.E=I*I*R what is the effect of E when I becomes I/2

ans:1/4E(E decreses by 4 times)

3.out of 55 eggs 5 are defective. what is % of defective eggs

ans:9/11%

4.salary is 's' per month,'x'% of salary is given as bonus, if 3 months

salary is s1,s2 & s3 then what is his salary.

ans:s1*x/100 + s2*x/100 + s3*x/100

5.consider expresion 'ab' . what happens when 'a' is divided by 'c' &

'b' is multiplied by 'c'.

ans:value remains same.

6.area of triangle=1/2*b*h base incresed by 4 times & height is devided

by 2, the net effect of area.

ans:twice the the original area.

7.in base representation for a rupee 100 paise,then base 8 representation

what is rupee value .

ans:144

8.A>B,B>C,C=D,D>E,then which is greatest

a)A/B b) A/C c) A/E d)none

ans: c

9.to travel 'm' miles the time is 'h' hours,then what is the time taken to travel M miles.

ans:M*h/m

10.a sum 's' is devided into 4 parts.second person gets Rs 10 more than

first.3rd person is Rs 10 more than second, 4th is 10 more than 3rd.

how much amount do 1st person get.

ans;(s-60)/4

11.fridge cost R Rs,cover value is 5,discount d% then its new cost

ans:R-R*d/100-5(1-d/100)

12.1/8 is devided by 's' , if 's' is incresed by 2 times, what is the

result.

ans:increses two times.

13. a c b d f e g i __ ans: h

14. x y z u v w r s t __ ans: o

15. a c f j o __ ans:u

16. 10099+99=10198

17. 31 - 29+2/33=__ ans:64/33

18. 2.904+0.0006=___ ans: 2.9046

19. 55/1000=___ ans:.005

20. 0.799*0.254= 0.202946

21. 200/7*5.04=144

22. 842.8 +602=1444.8

23. 5.72% of 418= 23.9096

24. 625% of 7.71=48.1875

25. 25% of 592=148.00

26. 665+22.9=687.9

27. 15% of 86.04=12.906