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i'm stuck with insufficient conditions. Any ideas how to get the answer as D ?
A motorist used 10% of his fuel to cover 20% of his total journey.He covered 40% of his total journey under similar conditions.For the rest of the journey the conditions were different.Find the max. %age by which his fuel efficiency (dist. covered per unit quantity of fuel) can drop,so that he can still cover the rem. journey without a refill.
A) 71 3/7%
B) 72 6/7%
C) 27 1/7%
D) 74 2/7%
Explain it too.
Answer the questions independently of each other.
Q. If a and b are
no solution for a 0
no solution for a > 0 and b > 0
a solution for 50
a solution for 99
how many factors of 15^1000 is not an integral power of 15^100??approach please
PnC doubt!!
A group of 11 people went to a party. There were 5 girls and 6 boys.. They were seated on a rectangular table with 6 chairs on either side of the longer edge.
What is the number of ways they can be seated so that all the 5 girls were sitting on the same side??
Please Give the answer in terms of C's and
@scrabbler @piyushcoool4321 aap bhi solve kardo
If we know that 20! = 2432a0200b176640000. What is the value for square(a) + square(b)?
a. 120
b. 145
c. 97
d. 85
If 3 litres of a solution having water and honey in the ratio 4 : 5 are mixed with 2 litres of another solution having honey and water in the ratio 4 : 3, what would be the ratio of water and honey in the resultant solution?
Number of integral solutions of a^b = 4^60
pipE A can fill a tnk in 16 min nd pipe B can empty it in 24 min.if both pipes are opned after how many min shuld pipe B be closed so that the tank is filled in 30 min?
how many pairs of natural numbers are there whose difference of squares is 45?
Source: Time
Three men A, B and C working together can do a work in 30 days. They start the work together and A works for 3 days and takes rest on fourth day, B works for 5 days and takes rest on next 2 days and C works for 7 days and taken rest on next 3 days. In how many days the work be completed?(Given that A, B and C work at the same rate.)
Any method other than counting for each one of them will be appreciated.
Source: Time
The students of 3 classes A,B,C take a test. The avg per student marks of the classes A and B put together is 71. The avg per student marks of the classes B and C put together is 76. The avg per student marks of the classes A and C put together is 79. Find the range of avg marks (p) of all the 3 classes put together.
1) p is btwn 72 and 76
2) p is btwn 73 and 75
3) p is btwn 71 and 77
4) p is btwn 73.5 and 77.5
Please explain the approach.
Circles are drawn with 4 vertices as the centre and radius equal to the side of a square. If the square is formed by joining the mid points of another square of side 2rt6, , find the area common to all the 4 circles.
Ans: 4 pi - 12(rt3 - 1)
How do you solve this?
Six students: A, B, C, D, E and F are staying in a hostel. Their heights are integer multiples of 0.5 feet. Average height of the group is 5.5 feet and the average height of A & C is 5 feet. D is the tallest in this group and F is the shortest. They are accommodated in two rooms of different sizes, which can accommodate three beds each. Each student requires one bed for himself. They have the option of three different sizes of beds with the lengths of 4 feet, 5 feet & 6 feet. Only 4 & 5 feet beds can be put in the smaller room but the other room can have any size of bed. It is assumed that a student will be satisfied to have a bed only if the length of the bed is within ± 0.5 feet of that student's height. Each size of bed is available in enough number. It is also know that each of the six student was satisfied to have his bed.
1. Who could be the roommate of E?
(a) D
(b) C
(c) F
(d) A
(e) Cannot be determined
2. Which among the following groups is accommodated in the smaller room?
(a) DBE
(b) CAF
(c) FAB
(d) ADC
(e) None of these
3. Which two students are having same height?
(a) D & E
(b) C & F
(c) F & B
(d) A & C
(e) C & E
The number of stairs in a staircase is 12. Find the number of ways a person can reach the top of the staircase if he just touches on those stairs which are a multiple of 3 compulsarily.
Explain the method
2 perpendicular sides of triangle are 85 and 204. A semicircle is drawn with its diameter along hypotenuse with radius 'r' with other 2 sides tangent? Find r 1 . 51 2.60 3.65 4.68... Please post the approach
PnC:
In how many ways can four parrots be put in four cages, each meant for a particular parrot, such that none of the parrot goes in its own cage?
Hope the dates are right!
http://bit.ly/1RTiShv
Cat on 29th November???? Is it confirmed???