self
Maths Puzzle
Numerical Ability
Number System
84)John told Mark that if mark gives 1/3rd of his money to him, he will have Rs.75. Mark told that if john gives ½ of his money to him,he will have Rs.75. How much money did they totally have?
a)105 b)125 c)150 d)75
85)60 men complete a piece of work in 40 days. 60 men start the work but after every 5 days 5 people leave. In how many days will the work be completed?
a)60 b)80 c)120 d)none of these.
86.A bag contains 6sticks of the following lengths.1cm,3cm,7cm,11cm and 13cm.3sticks are drawn at random from the bag.whats the probability that we can form a triangle with those sticks?
a)11/20 b)1 c)1/4 d)2/5
87.George,Paul and Hari start a business by contributing Rs.30000,Rs40000,Rs50000 respectively.After half a year George withdraws ½ of his contribution.At the end of the year,the business showed a profit of 90000 which was divided amongst the 3 men proportionate to the amt and duration of their investment in their enterprise.Paul got?
a)Rs.25,000 b)Rs.18,000 c)Rs.32,000 d)Rs.24,000
88.In a year N,the 320th day of the year is Thursday.In the year N+1,the 206th day is Thursday.What is the day of 168th day in N-1th year?
a)Wednesday b)Thursday c)Friday d)Saturday
89.In the Telecom assembly factory there are 250 men and 150 women.The average productivity of all workers is 12 units/day.The average productivity of the man is 15 units/day.what is the average productivity of the women per day?
a)6 b)9 c)9 d)8
90.How many 6 digit even numbers can be formed from digits 1 to 7 such that the digits should not repeat and the second last digit should be even?
a)6480 b)320 c)2160 d)720
91.How many motor vechicles registration number plates can be formed with the digits 1,2,3,4,5(no digits being repeated)if it given that registration no can have 1 to 5 digits?
a)205 b)100 c)325 d)105
Read Solution (Total 2)
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- let john has initial money 'x' &john 'y' x+1/3y=75 & 1/2x+y=75 by solving the eqns we get answer x=60 and y=45 .so the answer is 105
- 12 years agoHelpfull: Yes(5) No(0)
- 84)let john has money of 'x' and mark has initial money of 'y'
- 12 years agoHelpfull: Yes(1) No(0)
self Other Question
95.George and Mark work for a company.George can finish a certain job in 30 days.Mark can finish the same work in 45days.A project was taken by the company and George was made superior to Mark.This move was not liked by Mark.So,Mark did not work for 15 days.Find the total number of days the entire work was completed?
a)15 b)9 c)23 d)24
96) George and Mark paint 720 boxes in 20 days. Mark and Hari in 24 days. Hari and George in 15 days. George works for 4 days, Mark works for 8 days, Hari works for 8 days. The total no of boxes painted by them is?
a)252 b)516 c)348 d)492
97) Which of the following numbers must be added to 5678 to give remainder of 35 when divided by 460?
a)980 b)797 c)955 d)618
98) If int(3.4)=3; int(4.2)=4; The value of int(1/2) + int(1/2 + 1/100) + int(1/2 + 2/100) + . . . . . . . int(1/2 + 99/100) is?
a)50 b)15 c)75 d)25
79.F,G,H,K,L,M and N are 8 people. They need to grouped into 2 with the condition.
* F and J must be same group
*G and N must be in different groups
*H and L must be in same group
*M and G are not in the same group
Correct ordering of groups
a. FJ,KL,MN,GH b.FH,JL,MN,GK c.FJ,HL,MN,GK d.FJH,MN,GH
80. A workman starts his work on Monday works for 8 days and takes every month day on his holiday his 12th holiday will fall on?
A, Monday B,Wednesday C,Thursday D,Tuesday
81) There is a pool of radius X and there is a pathway around the pool with a width of 4 feet. Find the radius of the pool if the path area/pool area=11/25.
a)12 b)20 c)25 d)29
82) 30L+3Q=1167 and 30L+6Q=1284 Find the value of L?
a)30 b)35 c)40 d)45