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What least value should be replaced by * in 5. 223 * 431 so the number becomes divisible by 9?
Number is divisible by 9, if sum of all digits is divisible by 9, so (2 + 2 + 3 + * + 4 + 3 + 1) = 15 + * should be divisible by 9, 15 + 3 will be divisible by 9, so that least number is 3.
What is the largest 4 digit number exactly divisible by 88?
Largest 4 digit number is 9999 After doing 9999/88 we get remainder 55 Hence the largest 4 digit number exactly divisible by 88 = 9999  55 = 9944
What least number must be subtracted from 427398 so that remaining number is divisible by 15?
On dividing 427398 by 15 we get the remainder 3, so 3 should be subtracted
On a scale of map, 2.5 cm represents 30 km. If the distance between two stations on the map is 78.5 cm, then the actual distance between these stations is
Required distance = 30/2.5 x 78.5 = 942 km
The students of a class donated ₹2401. Each student donated as many rupees as the number of students in the class, then the number of students in the class is
Let the number of students be x.
Amount donated = Rs 2401
According to the given condition
x^{2} = 2401
x = √2401 = 49 Students.
Pointing to a man, Jaggu said, “His son is my son’s uncle.” How is the man related to Jaggu?
From the given alternative, select the word which can’t be formed using the letters of the given words.
POSSESSION
SESSION → POSSESSION → can be formed.
POSE → POSSESSION → can be formed.
POISE → POSSESSION → can be formed.
OPTICS → POSSESSION → cannot be formed as there is no T, C.
Arrange the fractions in ascending order
5/8 = .625
7/12 = .5833
3/4 = .75
13/16 = .8125
So the order will be
7/12 < 5/8 < 3/4 < 13/16
Directions: Select the related word/letter/ number from the given alternatives.
Mathematics : Numbers :: History : ?
Mathematics is the science of numbers, quantity and space Similarly, History is the study of past events.
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