Question
If the cost of 4 pens and 6 note books is ₹ 800, then
find the cost of 6 pens and 9 note books.Solution
4pen +6notebook =800 2(2pen+3notebook) =800 (2pen+3notebook) =400 … (1) Then Equation (1) multiply by 3. 6pen+9notebook=1200.
Which two digits and signs can be interchanged so as to balance the given equation?
406- 102 + 128 X 5 ÷ 58 = 545
If + means −, − means ×, × means ÷, and ÷ means +, what will be the value of the following expression?
19 ÷ 14 + 8 – 12 × 3
...If 236 = 33, 487 = 57, 6391 = 57, then 851 = ?
In the question, assuming the given statements to be true, find which of the conclusion (s) among given two conclusions is /are definitely true and the...
If ‘A’ means (÷), ‘B’ means (×), ‘C’ means (+), and ‘D’ means (-), then what is the value of the expression:
24 B 2 C 24 A 4...
Select the correct combination of mathematical signs that can sequentially replace the “@” sign and balance the following equation.
12@5@7@2@...
If ‘÷’ means ‘-’, ‘-’ mean ‘+’, ‘+’ means ‘×’ and ‘×’ means ‘÷’, compute the value of the expression:
132 × ...
If the ‘-’ and ‘×’ are interchanged, What will be the value of the following equation?
34 × 22 + 192 ÷ 12 – 8
...Himani goes 9m north and turns left and walks 6m. Again, she turns to her right and walks 5m. After this, she takes another right turn and walks 8m. So,...
If A denotes '+', B denotes ' X ', C denotes ' - ' and D denotes '÷', then what will come in place of '?' in the following equation?
117 D 13 B ...
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