Question
Select the correct combination of mathematical signs to
sequentially replace the * signs and to balance the given equation. 30 * 4 * 2 * 1 * 121Solution
30 * 4 * 2 * 1 * 121 On replacing * by mathematical symbols 30 × 4 + 2 - 1 = 121 L.H.S. = 30 × 4 + 2 - 1 = 120 + 2 - 1 = 120 + 1 = 121 = R.H.S.
Simplify the following expression -:
120 + 480 ÷ 16 × 6 + {(240 ÷ 2.5) × 5 + 120} ÷ 5
C is 50% more efficient than D. Together, they can finish a task in 12 days. How many days will D alone take to complete the task?
The equation of a hyperbola whose conjugate axis equals its transverse axis is:
- Which numbering system consists of digits 0-9 and letters A-F?
A man is standing 30 meters away from the foot of a tree. The angle of elevation from his eyes to the top of the tree is 60 degrees. Find the height of ...
Quantity-I: ‘A’ and ‘B’ started a business by investing Rs. ‘x’ and Rs. 4,800, respectively. ‘A’ and ‘B’ invested their sum for 8 m...
4.8% of 250 + 4.5% of ? = 48 + 1.5% of 3600
A shopkeeper purchased two packets of chips, A and B, for a combined cost of Rs. 2500. Packet A was sold with a 30% profit, while...
{14.13 x 28.84 - 39.95% of 420.09 + 128.89} = ?
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