Question
The difference between two numbers is 7 . Six times the smaller plus the larger is 77 . Find the numbers.
✓
Answer
10, 17
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The length and breadth of a rectangular park are in the ratio $5: 2$. A 2.5 m wide path running all around the outside the park has an area $305 m^2$. Find the dimensions of the park.
→Observe the following table and complete it.
→| Statement | Inference |
| (- 8) $\div$ (- 4) = 2 | Result is an integer |
| (- 4) $\div$ (- 8) = $\frac{- 4}{- 8}$ | Result is not an integer |
| (- 8) $\div$ 3 = $\frac{-8}{3}$ | |
| 3 $\div$ (- 8) = $\frac{3}{-8}$ |
Find the following quotients given that 756 ÷ 36 = 21:
(a) 75.6 ÷ 3.6
(b) 7.56 ÷ 0.36
(c) 756 ÷ 0.36
(d) 75.6 ÷ 360
(e) 7560 ÷ 3.6
(f) 7.56 ÷ 0.36
(a) 75.6 ÷ 3.6
(b) 7.56 ÷ 0.36
(c) 756 ÷ 0.36
(d) 75.6 ÷ 360
(e) 7560 ÷ 3.6
(f) 7.56 ÷ 0.36
The following table shows the weights of 12 persons.
Find the median and mean weights. Using empirical relation, calculate its mode.
| Weight (in kg): | 48 | 50 | 52 | 54 | 58 |
| Number of persons: | 4 | 3 | 2 | 2 | 1 |
If $x : y = 3 : 4$, find $(3x + 4y) : (5x + 6y).$
→The following table shows the interest paid by India (in thousand crore rupees) on external debts during the period $1998-99$ to $2002-03.$ Represent the data by a bar graph.
→|
Year
|
$1998-99$
|
$1999-2000$
|
$2000-01$
|
$2001-02$
|
$2002-03$
|
|
Interest (in thousand crore rupees)
|
$70$
|
$84$
|
$98$
|
$106$
|
$120$
|
Lipika reads a book for $1 \frac{3}{4}$ hours everyday. She reads the entire book in 6 days. How many hours in all were required by her to read the book?
→Look at the following and answer the questions :
What is the length of the knife?
What is length of the handle of the screwdriver?
What is perimeter of the notebook?
If there are x apples and y bananas in the baskets. What is the total cost of the fruits altogether?
What is the length of the knife?
What is length of the handle of the screwdriver?
What is perimeter of the notebook?
If there are x apples and y bananas in the baskets. What is the total cost of the fruits altogether?
By selling oranges at the rate of ₹$ 5 \frac{1}{4}$ per orange, a fruit-seller gets ₹ $630$. How many dozens oranges does he sell?
→The birth rate per thousand in five countries over a period of time is shown below:
Represent the above data by a bar graph.
→| Country | China | India | Germany | $UK$ | Sweden |
| Birth rate per thousand | $42$ | $35$ | $14$ | $28$ | $21$ |