Maths previous question part 1


1. A train  220 m long is running at 30 km/hr ,how long will it take to cross a bridge 80 meters long
a.            10 seconds b). 14/3 seconds c). 36 seconds d).16.8seconds
Distance to cover=220+80=300
time=distance/speed=time=DistanceSpeed
=300/30*5/18=300/30*18/5=36 second


2. A and B together can finish a work in 16 days,while Bcan do the same work alone in 24 days. In how many days can A alone finish the work?
a.             25 days b). 20 days c). 48 days d). 42 days
1/16-1/24=24-16/16*24=8/16*24=1/48
48 days

3. The ratio of ages of Anil and Asha is 3:5. The sum of their ages is 48 years.What is the age of Asha
a.             18 years b).30 years c). 16 years d).10 years
48*⅝=6*5=30

4. Today is monday.After 100 days What day it will be?
a.            Wednesday b).Tuesday c). Thursday d). Sunday
remainder(100/7)=2  monady+2=wedness day

5. 65-5*7+(8*4-2-1)=?
a.             75 b) 45 c)  428 d) 70
65-5*7+(32-2-1)    (BODMAS)
65-35+(29)
59

6. 10 ¾+2 -5 1/10 =?
a.              8 ¼  b)4 ⅛ c)1 4/8  d)8 1/20
10+2-5+¾+ -1/10
7+¾+6/10-1/10
7+¾+5/10
7+¾+½
7+1 ¼=8 1/4

7. Meena.Arun and Gopu divide a sum of rs.6000 in such away that Arun gets ½ of What Meena gets and Gopu gets ¾ of What Arun gets .Then What is Arun’s share?
a.            Rs.1200 b)Rs.1480 c)Rs.1600 d)Rs3000
Arun=½ Meena   arun/meena=½ or arun:meena=1:2
SIMILLARLY GOPU:ARUN=3:4 AND ARUN:MEENA=1*4:2*4=4:8
SO GOPU:ARUN:MEENA=3:4:8
SO so aruns share=4/15*600=1600

8.The cost of a machine is estimated to be increasing at the rate of 10% every year.If it costs Rs.12000 now, what will be the estimated value of 3 years?
a.            Rs.19,572 b) Rs.15,972 c)Rs. 17,952 d)Rs.15,792
After 1 year =12000*110/100=13200
2nd year=13200*110/100=14520
3rd year =14520*110/100=15972
9. There are 30 students in a class. One student weighing 25 kg goes away and a new students joins the class. If the average weight is then increased by 200 grams, what is the weight of new student?
a.            32 kg b) 31 kg c) 30 kg d)29 kg
25+ 30*200gms=25+6 kg=31 kg

10. If PRLN:XZTV::JLFR:?
Which one of the answer would replace the question mark?
a.            NPRT b)NRPT c)NTPR d) RTNP

11.in the following four numbers,three are same in certain way,while the rest one is different.Find out the different one?
a.            28 b)14 c)49 d)43
43 is prime number

13. Out of four numbers,three are same in certain way,while the rest one is different.Find out the different one?
a.            Bird b) Crow c) Kite d) Pigeon

14. Which of the alternative figures would correctly fill in the blank space in the following series of numbers?
1,5,10,16,23,31,.......
a.            38 b) 50 c) 39 d) 40
1,5(1+4),10(5+5),16(10+6),23(16+7),31(23+8),40(31+9)

15. In a certain code FIRE is coded as DGPC. what will be the last letter of the coded word for ‘SHOT’?
a.            Q  b) P c) R d) S
T-2=R

16. If 8th of the month falls 3 days after Sunday ,what day will be on 17th of that month?
a).Thursday b).Tuesday c). Wenesday d) Friday
5TH =SUNDAY
12TH SUNDAY
17=12TH+5=SUNDAY+5=FRIDAY

18. If the letters of the words S A R B S are rearranged so that a name of metal is obtained. What will be the first letter of the word?
a.            A  b)  S  c)  R  d)  B

  Brass FIRST LETTER B


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