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Numbers Exercise 1

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Numbers 1

  • This online quiz will test your knowledge of Numbers in Quantitative Aptitude.
  • This Online Test is useful for academic and competitive exams.
  • Multiple answer choices are given for each question in this test. You have to choose the best option.
  • After completing the test, you can see your result.
  • There is no negative marking for wrong answers.
  • There is no specified time to complete this test.

A canteen requires 112 kgs of wheat for one week. How many kgs of wheat will it require for 69 days?

Quantity of wheat for 7 days = 112 kg

∴ Quantity of wheat for 1 day = number-system-q-47676.png kg

∴ Quantity of wheat for 69 days = number-system-q-47670.png × 69 = 1104 kg

How many pieces of 8.6 metres length cloth can be cut out of a length of 455.8 metres cloth?

Number of pieces = number-system-q-47658.png= 53

If an amount of ₹41,910 is distributed equally amongst 22 persons, how much amount would each person get?

Required amount = number-system-q-47664.png= ₹1905

The sum of five consecutive even numbers of set A is 280. What is the sum of a different set B of five consecutive numbers whose lowest number is 71 less than double the lowest number of set A?

Lowest number of set A

= number-system-q-48130.png – 4 = 52

Lowest number of other set = 52 × 2 – 71 = 33

∴ Required sum = 33 + 34 + 35 + 36 + 37 = 175

The difference between a number and one fifth of it is 84. What is the number?

number-system-q-48004.png of the number = 84

∴ number = number-system-q-47998.png= 105

If the difference between a number and two fifths of the number is 30, find the number.

Let the number be = x

According to the question,

number-system-q-47937.png

⇒ number-system-q-47930.png

⇒ number-system-q-47924.png

The average of four consecutive even numbers is 27. What is the highest number?

number-system-q-47894.png
number-system-q-47888.png number-system-q-47882.png
∴ Highest number = 24 + 6 = 30

The product of two consecutive even numbers is 5328. What is the smaller number?

Let the smaller number be x

x (x + 2) = 5358

⇒ x² + 2x – 5328 = 0

⇒ (x + 74) (x – 42) = 0

∴ x = 72

The product of two consecutive odd numbers is 1763. What is the larger number?

From the given alternatives,

1763 = 43 × 41

The sum of a set of five consecutive even numbers is 140. What is the sum of the next set of five consecutive even numbers?

According to the question,

x + x + 2 + x + 4 + x + 6 + x + 8 = 140

⇒ 5x + 20 = 140

⇒ 5x = 120

∴ x = number-system-q-47900.png = 24

∴ x + 8 = 24 + 8 = 32

The next set of five consecutive even number will start with = 34

∴ Required sum

= 34 + 36 + 38 + 40 + 42 = 190

The product of two consecutive even numbers is 16128. Which is the larger number?

Quicker Approach:

The unit’s digit of the number 16128 is 8.

From the given answer choices,

126 × 128 = 16128

∴ Required larger number = 128

The product of two successive numbers is 3192. What is the smaller number?

Out of the given alternatives,

56 × 57 = 3192

The sum of three consecutive integers is 39. Which of the following is the largest among the three?

Let the three consecutive integers be

x, x + 1 and x + 2

According to the question,

x + x + 1 + x + 2 = 39

⇒ 3x + 3 = 39

⇒ 3x = 39 – 3 = 36

⇒ x = number-system-q-47766.png = 12

∴ Required largest number

= x + 2 = 12 + 2 = 14

The product of two consecutive even numbers is 4488. Which is the smaller number?

Let the smaller number be x

x × (x + 2) = 4488

⇒ x² + 2x – 4488 = 0

⇒ (x + 68) (x – 66) = 0

∴ x = 66

The product of two successive numbers is 8556. What is the smaller number?

Let the number be x and (x + 1).

∴ x(x + 1) = 8556

⇒ x² + x – 8556 = 0

⇒ x² + 93x – 92 x – 8556 = 0

⇒ (x² + 93) (x – 92) = 0

∴ x = 92

The product of two consecutive odd numbers is 19043. Which is the smaller number?

Out of the given alternatives,

137 × 139 = 19043

∴ Required smaller number = 137

The sum of the squares of two consecutive even numbers is 6500. Which is the smaller number?

Let the two numbers be x and (x + 2).

Then, x² + (x + 2)² = 6500

⇒ x² + x² + 4x + 4 = 6500

⇒ 2x² + 4x – 6496 = 0

⇒ x² + 2x – 3248 = 0

⇒ x² + 58x – 56x – 3248 = 0

⇒ (x + 58) (x – 56) = 0

⇒ x = 56

The product of two consecutive even numbers is 582168. Which is the smaller number?

Let the numbers be x and (x + 2)

Then, x × (x + 2) = 582168

⇒ x² + 2x – 582168 = 0

⇒ x² + 764x – 762x – 582168 = 0

⇒ (x + 764) (x – 762) = 0

⇒ x = 762

A, B, C, D and E are five consecutive odd numbers The sum of A and C is 146. What is the value of E?

A + C = 146

⇒ A + A + 4 = 146

⇒ A = number-system-q-47772.png

∴ E = A + 8 = 71 + 8 = 79

The cost of 3 chairs and 10 tables is ₹9856. What is the cost of 6 chairs and 20 tables?

Let the cost of one chair be ₹x and that of a table be = ₹y

According to the question,

3x + 10y = ₹9856

⇒ 2 × (3x + 10y) = 2 × 9856

∴ 6x + 20y = ₹19712

A canteen requires 13 dozen bananas per day. How many bananas will it require for 9 weeks?

Requirement of bananas for 1 day in the canteen = 13 dozens

∴ Requirement of bananas for 9 weeks i.e. 63 days

= 63 × 13 dozens

= 63 × 13 × 12 = 9828.

There are 12 dozen mangoes in a box. If there are 43 such boxes, how many mangoes are there in all the boxes together?

Number of mangoes = 12 dozens

= 12 × 12 = 144

∴ Number of mangoes in 43 boxes

= 43 × 144 = 6192

If an amount of ₹15,487 is divided equally among 76 students, approximately how much amount will each student get?

Amount received by each student = number-system-q-47651.png= ≈ ₹204

Now check your Result..

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