7th edition of India International Science Festival (IISF) 2021 held in Panaji, Goa. India International Science Festival (IISF) is an initiative of Ministry of Science and Technology and Ministry of Earth Science in association with Vijnana Bharati which is a science movement with Swadeshi spirit lead by eminent scientists of the country.
Out of 400 students in school, 40% students like samosa only and 20% students like samosa and momos both. If 30% students don’t like any snacks then f...
A man spends 20% and 12% of his monthly salary on rent and transportation, respectively. Out of the remaining money, he spends 30% on food and 45% on en...
A man spent 40% of his income in May. If his savings is increased by 20% in June and becomes Rs. 5760, then find the income of man in May.
A gets 36% of the full marks in an exam and fails by 90 marks. B gets 38% of the full marks in the same exam and he also fails by 72 marks. What is the ...
A car driver’s income consist of his salary and tips. During one week his tips were 5/4 of his salary. What portion of his total income came from ...
A shopkeeper acquires 24 pens at Rs. 900 each and 12 geometry boxes at Rs. 300 each. Later, he sells 2 pens to each of the 12 students, presenting them ...
The number of boys and girls in a school is 280 and 340 respectively. 35% of boys left the school while 10 girls took admission in the school. Find the ...
In a given years, A sold 1200 caps while B sold 20% more number of caps than A and C sold 10% less number of caps than B. Find the ratio between the num...
A man spends 72% of his income. If his income increases by 28% and his expenditure increases by 25%, then what is the percentage increase or decrease in...
The cost price of juice is 50% more than the cost price of lemon soda. A juice seller mixed 120 ml of juice with 30 ml of lemon soda in a glass. By mist...
