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When two Dice are thrown simultaneously then – Total number of possible cases =62 =36 Number of favorable cases – (2,1) (3,1) (3,2) (4,1) (4,2) (4,3) (5,1) (5,2) (5,3) (5,4) (6,1) (6,2) (6,3) (6,4) (6,5) Total number of favorable cases = 15 Probability = 15/36 =5/12
Two numbers are in the ratio 5 ∶ 9. If each number is decreased by 8, the ratio becomes 1 ∶ 3. The numbers are:
A sum of money is divided among P, Q, R and S in the ratio of 1:2:6:7 respectively. If the share of R's is Rs. 2860 more than the share of Q, then what ...
Two numbers are respectively 40% and 20% more than a third number. Find the ratio of two numbers.
Ratio of males to females in village ‘A’ and village ‘B’ is 4:5 and 19:20, respectively and number of females in village ‘B’ is 25% more tha...
Rs 11,550 has to be divided between X, Y & Z such that X gets 4/5 of what Y gets and Y gets 2/3 of what Z gets. How much more does Z get over X (in Rs)?
The total number of students in a school is 21980. If the ratio of boys to the girls in the school is 70:87 respectively, then find the total number of ...
A pouch holds an assortment of Rs. 2, Rs. 5, and Rs. 10 coins. These coins are in the ratio of 4:5:3 for Rs. 2, Rs. 5, and Rs. 10 coins, respectively. I...
Abdul allocates 90% of his income among his wife, son, and daughter in the ratio of 5:2:1, while saving the remaining amount, which totals Rs. 4,000. Fr...
The total number of students in a school is 24600. If the ratio of boys to the girls in the school is 75:89 respectively, then find the total number of ...
Before a battle the ratio of tanks to planes in an army was 5 : 3. During the war 1000 tanks were destroyed and 800 planes were destroyed. The ratio of ...
