Ques:- The ratio of two numbers is 2:3 and the sum of their cubes is 945. What is the difference of number ?
Recent Answer : Added by Preet On 2021-08-10 15:21:38:
Let numbers be 2x, 3x
Given: (2x)^3 + (3x)^3 = 945
8x^3 + 27x^3 = 945
x = 3
Difference between numbers = 3x – 2x = x
Hence difference = 3
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Ques:- B – 1, B – 2 and B – 3 are three buses that travel from Mumbai to Delhi. Each bus starts at a different time and arrives at a different time. The digit in the bus number and the order of their departure of arrival is not the same. The first bus to leave Mumbai is the third bus to reach Delhi. Which is the first bus to leave Mumbai?
Recent Answer : Added by DK BOSS On 2021-07-21 15:26:32:
B1
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Ques:- Find the odd man out:
3, 5, 7, 12, 17, 19
A. 19
B. 17
C. 13
D. 12
Recent Answer : Added by Veeresh On 2022-08-14 16:35:30:
D.12
Ques:- Tom has three boxes with fruits in his barn: one box with apples, one box with pears, and one box with both apples and pears. The boxes have labels that describe the contents, but none of these labels is on the right box. How can Tom, by taking only one p
Ques:- A bag contains a certain number of 50 paise coins, 20 paise coins and 10 paise coins inthe ratio 2:3:4. If the total value of all the coins in the bag is Rs.400, find the number of coins of each kind?
Recent Answer : Added by BISHWAS KUMAR On 2022-01-16 17:17:18:
Ques:- Find the smallest number in a GP whose sum is 38 and product 1728?
Ques:- What is the angle between the two hands of a clock when time is 8:30
Recent Answer : Added by Mustafa On 2022-08-14 16:32:02:
180*2/3 = 60degree
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Ques:- If I walk with 30 miles/hr i reach 1 hour before and if i walk with 20 miles/hr i reach 1 hour late. Find the distance between 2 points and the exact time of reaching destination is 11 am then find the speed with which it walks.
Ques:- Three thives were caught stealing sheep, mule and camel. A says ” B had stolen sheep ” C says ” B had stolen mule” B says he had stolen nothing. the one who had stolen horse is speaking truth.the one who had stolen camel is lying . Tell who had stolen what? give the steps …
Recent Answer : Added by Admin On 2020-05-17 12:04:29:
Had is correct ! Anil went in right direction but ended up
with wrong answers
Soln: B lied ( see anil’s comment ) which implies B has not
stolen mule. So B could steal camel or sheep.
1) Lets assume B stole camel.
In that case, A lies ( refer – A says “B had stolen sheep”
), which implies A had stolen sheep ( becoz a lier cant
steal mule ). So A->sheep B->camel C->mule. But this cant
happen because C cant lie ( refer – C says ” B had stolen
mule” ).
2) Lets assume B stole sheep.
In that case, A is true ( refer – A says “B had stolen
sheep” ), which implies A had stolen mule. So A->Mule
B->Sheep C->camel. Here C lies ( refer – C says ” B had
stolen mule” )
SO ANS: answer A- mule, B-sheep, C camel
Ques:- A committee has 5 men and 6 women. What are the number of ways of selecting a group of eight persons?
Recent Answer : Added by Admin On 2022-09-29 16:58:10:
The number of ways of selecting a group of eight is
5 men and 3 women=5C5×6C3 =20
4 men and 4 women=5C4×6C4 =75
3 men and 5 women=5C3×6C5=60
2 men and 6 women=5C2×6C6=10
Thus the total possible cases is 20+75+60+10=165.
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Ques:- How many degrees (if any) are there in the angle between the hour and minute hands of a clock when the time is a quarter past three?
Recent Answer : Added by pooja Jawade On 2021-11-25 15:47:56:
22.5
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Recent Answer : Added by Lovish On 2022-08-14 16:39:35:
Urinary Tract Infection
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Ques:- In a triangle two angles are in a ratio of 5:3 and the difference of the angles is 30 degrees. Find out the largest angle in the triangle
Recent Answer : Added by S pushpa On 2021-06-17 10:44:18:
Let A=5x,B=3x,C not given so consider C=x
In triangle total angle=180°
A+B+C=180°
5x+3x+x=180°
9x=180°
X=180°/9
X=20°
A=5(20)=100°
B=3(20)=60°
C=20°
Therefore A=100° is the largest angle
Ans: 100°
Ques:- How many 13 digit numbers are possible by using the digits 1,2,3,4,5 which are divisible by 4 if repetition of digits is allowed?
Recent Answer : Added by Admin On 2022-09-29 15:07:51:
Therefore, the number of possible 13 digit numbers using 1, 2, 3, 4, 5 which are divisible by 4
= x 3 + x 2
= (3 + 2)
=
= 244140625 ways
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Ques:- The numbers 1, 2, 3, 4, 5, 6, 7, 8, and 9 must be put in the depicted triangle, in such a way that the sums of the numbers on each side are equal. How should the numbers be arranged in the triangle?
Recent Answer : Added by Sandeep tomar On 2021-08-25 14:15:29:
Average = (1+2+3+4+5+6+7+8+9)/3
= 45/3 = 15
Every side will contain sum of 15.
1st side contains 8 and 7.
2nd side contains 9 and 6.
3rd side contains 1,2,3,4 and 5.
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Recent Answer : Added by Swati On 2021-01-05 15:58:21:
Let numbers be 2x, 3x
Given: (2x)^3 + (3x)^3 = 945
8x^3 + 27x^3 = 945
x = 3
Difference between numbers = 3x – 2x = x
Hence difference = 3