An isosceles trapezium is circumscribed about a circle. One of the parallel sides is thrice the other .Find the area (in sq.cm) of the trapezium ,if its perimeter is 8 cm.
Please help with this Question:
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Stuck in calculating the Radius of the circle.
OA : Between 5.5 and 6 sq units.
A foreman hired 1000 men to complete a certain job in a certain number of days. The first fourth of the job went as per schedule, after which, 100 men left. After 3/4th of the job had been completed, the foreman realised that another 100 men had left after ½ the job had been completed. How many more men should the foreman hire so that the job is completed on time?
1.565
2.680
3.766
4.CBD
2 kids, John and Jim, are running on an escalator (a moving stairway). John is running three times as fast as Jim, and by the time they are off the escalator, John has stepped on 150 stairs while Jim has stepped on 100 stairs. What is the ratio of the elevator’s speed to Jim’s speed?
|x|-|y|=13 then which of the following cannot be value of x-y? A) -19 B) -9 C) -17 D) none of these
How many incongruent triangles of perimeter 18 will have sides of even lengths?
1.3
2.8
3.6
4.5
Q. 26. My doubt is why 10 is not answer ?
A rectangular floor is fully covered with square tiles of identical size. The tiles on the edges are white and the tiles in the interior are red. The number of white tiles is the same as the number of red tiles. A possible value of the number of tiles along one edge of the floor is
(1) 10
(2) 12
(3) 14
(4) 16
Pls share approach.
What's the best approach for solving this question ?
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OA : 75
how many ordered pairs of (abc) exist such that their lcm is 400
For how many natural numbers less than 10^5 is the sum of their digits equal to 10?
Approach please
Approach please . Find the remainder of following
Ravi borrows Rs 10,000 from a bank at a simple interest of 10% p. a. If he repaid his loan in 5 equal yearly instalments, paying each instalments at the end of the respective year, how much did Ravi pay each year
If cosA = tanB , cosB = tanC , cosC = tanA then sinA =??
If the hands of the clock coinicide after every 66(9/11) minutes, then how many minutes do the clock gain ot lose in an entire day?
1. 30 min,gains
2. 30 min, loses
3. 32(8/11) min, gains
4. 32(8/11) min, loses
solution please..
Approach please:-???
Three varieties of rice with cost price (in Rs./kg) 28, 36 and 45 are mixed in the ratio a : b : c respectively. It is known that a, b and c are in Geometric Progression, where a < b < c. The cost price (in Rs./kg) of the mixture is 40. What would have been the cost price (in Rs./kg) of the mixture had the three varieties been mixed in the ratio c : a : b?
- 34
- 36
- 32
- 30
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The spring balance of a trader weighed 800 g for 1 kg. What is the net result, is it a profit or a loss and by what per cent?
a. 25% loss
b. 25% profit
c. 20% loss
d. 20% profit
Given Solution:
25% profit as 20/800*100
My Doubt: Since it is a spring balance, if stuff worth 1k is put on it and it shows 800 gm, the buyer gets more than what he is paying for . How can this be a profit for the seller.
Thanks in advance!
(4x) (6 - x)^2 , HOW TO FIND dv/dx =0 for this please explain, i mean maximum for this.
How to solve this kind of problems...can anyone provide some pdf to learn the concept of such problems...
If [x] represents the greatest integer less than or equal to x, then the value of
[251^1/3]+[252^1/3]+[253^1/3]+.....[280^1/3] is
Ans: 180