• Placement Questions
• /
• Book

Frequently Asked book Math Questions and Answer Page 13

(#M40117835) BOOK QUESTION Keep an EYE

If the system 2x-5y=1 and -3x+7y=-3 is to be solved by elimination of x, and the first equation is multiplied by 3, then by which number should the second equation be multiplied?
*I think that the answer is 2.Is this correct?

Asked In book (10 years ago)

Unsolved

Is this Puzzle helpful?   (1)   (0) Submit Your Solution

(#M40119527) BOOK QUESTION problem in ages Keep an EYE

the sum of ages of 4 children born at the interval of 2 years is 52. what is the age of the oldest child?

Asked In Book Akshay tripathi (10 years ago)

Unsolved Read Solution (1)

Is this Puzzle helpful?   (16)   (3) Submit Your Solution

(#M40021189) BOOK QUESTION Keep an EYE

the difference between a positive fraction and its reciprocal is 9/20 find the sum of that fraction and its reciprocal.

Asked In Book Abhishek (12 years ago)

Unsolved Read Solution (1)

Is this Puzzle helpful?   (2)   (0) Submit Your Solution

(#M40022934) BOOK QUESTION probablity Keep an EYE

A bag contains 4 red balls, 6 green balls and some white balls. If the probability of not drawing a white ball in one draw be 2/3 the find the number of white balls.

Asked In Book Harsh Poddar (12 years ago)

Unsolved Read Solution (3)

Is this Puzzle helpful?   (8)   (2) Submit Your Solution

(#M40153387) BOOK QUESTION Keep an EYE

x

137 8 2 then what is 'x'

17

Asked In Book G.VIVEKANANDA (10 years ago)

Unsolved

Is this Puzzle helpful?   (2)   (5) Submit Your Solution

(#M40035550) BOOK QUESTION Keep an EYE

John likes 400 but not 300; he likes 100 but not 99; he likes 3600 but not 3700. Which does he like?
A:900
B:1000
C:1100
D:1200

Asked In Book (11 years ago)

Unsolved Read Solution (2)

Is this Puzzle helpful?   (4)   (4) Submit Your Solution General Mental Ability

(#M40098338) BOOK QUESTION Keep an EYE

A DEALER SELLS BOOKS AT 40% ABOVE COST. hOW MUCH DOES A DEALER PAY FOR A SHIPMENT OF 6 DOZEN BOOKS THAT HE SELLS FOR $7 PER BOOK?

Asked In book (10 years ago)

Unsolved

Is this Puzzle helpful?   (1)   (0) Submit Your Solution

(#M40031944) BOOK QUESTION proportions Keep an EYE

Q. 40 men can build a wall 20m high in 15 days. The number of men required to build a similar wall 25m high in 6 days will be:
Option
(a)100
(b)125
(c)150
(d)200

Asked In Book Kamlendra Pratap Singh (11 years ago)

Unsolved Read Solution (4)

Is this Puzzle helpful?   (17)   (12) Submit Your Solution

(#M40000154) BOOK QUESTION Keep an EYE

Three friends divided some bullets equally. After all of them shot 4 bullets the total number of bullets remaining is equal to the bullets each had after division. Find the original number divided.

Asked In Book Naveen (15 years ago)

Solved Wafa Read Solution (3)

Is this Puzzle helpful?   (37)   (7) Submit Your Solution Algebra

(#M40021149) BOOK QUESTION Keep an EYE

A boy divided the numbers 7654, 8506 and 9997 by a certain largest number and he gets same remainder in each case. What is the common remainder?

Asked In Book Abhishek (12 years ago)

Unsolved Read Solution (1)

Is this Puzzle helpful?   (9)   (2) Submit Your Solution