Can anyone help me. . . From where i can strengthen my concept of inequalities and alligattions
Which is the first digit from the left in 2^23?
(Guys please help me out on how to approach this one.)
- 2
- 3
- 4
- 6
- 8
0 voters
A and B when divided by 56 leave remainders of 48 and 32 respectively. When divided by 44, both leave a remainder of 24. If the sum of A and B is divisible by the sum of the divisors, then find the minimum value of (A+B)
(Please explain the approach as well.)
- 1200
- 3400
- 1800
- 2600
0 voters
A triangle has sides 13, 14, 15. It is rotated through 180 degrees about its centroid to form an overlapping triangle. Find the area of the union of the two triangles. 1)84 2) 56 3) 126 4) None of these Can anybody suggest the Solution & Approach?!
X, Y and Z can do a particular task in 10, 12 and 15 days respectively. They worked together for some days after which Y left. Remaining work was completed by X and Z. Total of 24000 was paid and X got 8000 more than Y. After how many days did Y left?
- 1
- 2.5
- 1.5
- 2
0 voters
Two persons A and B start moving at each other from point P and Q respectively which are 1400 Km apart. Speed of A is 50 Km/hr and that of B is 20 Km/hr. How far is A from Q when he meets B for the 22nd time?
- 1000 Km
- 400 Km
- 800 Km
- 1400 Km
Can someone please help me with this question?
Help please
PLEASE HELP ! A Person borrowed some money at 5 % p.a. Simple Interest. He lents 50% of that money to another person at 10% p.a. compound interest. If he makes profit of ₹ 3205 at the end of 4 years , what was the sum he originally borrowed ?
Soln ?
A shopkeeper gives 3 consecutive discounts of 10%,15% and 15% after which he sells his goods at a percentage profit of 30.05% on the C.P.Find the value of the percentage profit that the shopkeeper would have earned if he had given discounts of 10% and 15% only.
- 62.5%
- 72.5%
- 68.6%
- 53%
0 voters
Q47 detailed solution pls
Travelling from his house at 30kmph, a person is late to his office by 5min. If he increases his speed by 10kmph, he would be early by 15min to his office. What should be his speed to reach office on time?
Can someone explain how are these 2 questions i.e 51 and 52 different!?
What is the product of all factors of the number N = 6^4 x 10^2, which are divisible by 5?
1. 2^210 × 3^102 × 5^140
2. 2^210 × 3^140 × 5^105
3. 2^140 × 3^210 × 5^102
4. 2^140 × 3^102 × 5^210
If x, y, z are whole numbers such that x >=y, then how many solutions are possible for the equation x+y+z= 30? 361 323 382 342
Q56 detailed solution pls?
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Pipe A can fill a tank in 18 minutes while pipe B can fill it in 24 minutes. If, because of turbulent flow, the two pipes together take 14.4 minutes to fill the tank, by what percentage is the net flow rate, when both the pipes are open, less than the sum of the flow rates in the two pipes when they function alone?
A conical tent has a base radius 7m and a height 24m. What is the length of canvas required to cover the conical portion, if it is stitched from a rectangular sheet of breadth 11m? . . . . . . Can anyone please help me in interpreting last statement mentioned above?
A water tank is provided with foir outlet pipes having the same emptying evenly spaced out vertically one above the other. The first pipe is located at the point that is at the bottom level of the tank. The fourth pipe is located at three-fourths of the height of the tank above its base. The first outlet pipe can empty the full tank in four hours. There is also an inlet pipe which can fill the tank in one hour. The inlet pipe is opened to fill the empty tank and after one hour it is closed and then all the outlet pipes are opened. In how many minutes would the tank be empty?? (125 is the answer)