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Let the total number of students be x Average marks obtained by the students = 75 Total marks = 75 x After correcting the quantitative mistakes the average decreased by (75-60) = 15 marks Total reduction = 15 × 100 = 1500 Now According to the Question, (75x-1500)/x = 70 70 x = 75 x – 1500 x = 300 Total number of students = 300
(1440.13 ÷ 31.77) × (√168.69 + 16) - (24.87% of 719.99) = ?
Find the approximate value of Question mark(?). No need to find the exact value.
(55.96 × 4.01) ÷ 7 + √(120.81) × 3 – 10% of 199.99 = ?<...
24.45% of 14.99% of 14999.78 + 159.80 = ?% of 1999.78
Mohan allocates 40% of his monthly income for rent. After paying for rent, he uses 30% of the remaining amount for groceries. Additionally, he spends an...
811.85 ÷ 28.05 + 462.16 – 23.06 × 17.95 = ?
13.002 × 34.995 + 499.996% of 100.08 + 25.005 % of 3999.997 = ? × 8.908 × 5.909
81% of 1550 + 27² = ? + 1386 ÷ 22
6401.23 × `1 3/4` - 352.87 × ? = 10443.789
24.01 X 24.99 - ?% of 599.96 = 14.92 X 8.12