# IQ Contest, Daily, Weekly & Monthly IQ & Mathematics Competitions

#### Question No 1

If a boat travels at a speed of 20 km per hour in stillwater. Now if it's travelling in downstream speed of 10 km per hour and travel 70 kilometre. What is the time taken by it?

#### Select the correct answer

Solution!
Time= distance /speed
Sister boat is travelling in a downstream the speed of the stream adds up in the speed of boat so its speed=boat speed+downstream speed. which becomes 20+10=30 km/hr. Now applying the formula we get
Time=70/30 we get our answer which is 2.3
.

#### Question No 2

A is father of x. B is mother of Y. The sister of X and Z is why. Which of the following statement is definitely not true?

#### Select the correct answer

Solution!
A is the father of X and Y is the sister of X. So why is the daughter of A..

#### Question No 3

Which weird is opposite of alert?

#### Select the correct answer

Solution!
To be alert is to be attentive; to be inattentive is to not post attention, be unmindful..

#### Question No 4

There are three boxes A, B and C. Only one box has gold in it. Moreover only one of the statements is true (i) The box A says he has no gold (ii) The box B says he has no gold (iii) The box C says B is lying So which box has gold?

#### Select the correct answer

Solution!
No explanation available for this question..

#### Question No 5

The average of 5 quantities is 6. The average of 3 of them is 8. What is the average of the remaining two numbers?

#### Select the correct answer

Solution!
The average of 5 quantities is 6.
Therefore, the sum of the 5 quantities is 5 *6 = 30.
The average of the 3 of these 5 quantities is 8.
Therefore, the sum of these 3 quantities = 3*8 = 24
The sum of the remaining two quantities = 30 - 24 = 6.
Average of these two quantities = 6 / 2 = 3.
.

#### Question No 6

A test has 30 questions. If Ammy gets 70% correct, how many question did Ammy missed?

#### Select the correct answer

Solution!
The number of correct answers is 70% of 30 or 70/100 x 30.
70/100 x 30 = 21
Since the test has 30 questions and she got 21 correct answers, the number of questions she missed is 30-21=9
Ammy missed 9 questions.
.

#### Question No 7

A fruit salad mixture contains Apple, peach and melon in the ratio of 3 :2:1 .If a bowl of the mixture contains 3 Peach, how much Apple does it in bowl?

#### Select the correct answer

Solution!
Ratio of fruit salad:
Apple :peach: melon
2 : 3 : 5
3 peach than Apple:
3 / 2 = 1.5
Ration of Apple is 3 X 1.5 = 4.5
.

#### Question No 8

What is 1/9 of 135?

#### Select the correct answer

Solution!
No explanation available for this question..

#### Select the correct answer

Solution!
16% of x=(16*430)/100
=68.8
=430+68.8
=498.8
.

#### Question No 29

Choose or find odd word
Pistol, Sword, Gun, Rifle, Cannon

#### Select the correct answer

Solution!
Here all except Sword are fire arms.
Hence, the answer is b
.

#### Question No 30

A 400 m long train crosses a platform in 40 seconds while it crosses a single pole in 10 seconds. What is the length of platform?

#### Select the correct answer

Solution!
Speed= 400/10
=40
let the length of the platform be x metres
Then,(x+400)/40=40
x+400=1600
x=1600-400
x=1200
.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30