Question
A bag holds a total of 7 balls, consisting of 3 red
balls and 4 black balls. If two balls are randomly drawn from the bag without replacement, what is the probability that both selected balls are red?Solution
Required probability = 3C2 ÷ 7C2 = (3/21) = (1/7)
In the following letter set, the second letter set is related to the first letter set in a certain way, find the letter set from the options which is r...
If we interchange ‘24’ and ‘4’ in the given equation, then what would be the value of the following expression?
27 × 24 ÷ 12 + 22 – 4...
If ‘$’ means ‘÷’, ‘#’ means ‘-’, ‘!’ means ‘×’ and ‘^’ means ‘+’, then the value of 84 ! 5 # 6 ^ 21 $ 7 is
...If ‘x’ denotes ‘addition’, ÷ stands for ‘subtraction’, ‘+’ stands for ‘multiplication’, and ‘-‘ stands for ‘division’, th...
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...
What will be the value of the given expression after the following interchanges?
Expression: 84 ÷ 11 - 15 X 14 + 75
Interchanges: Sign: '...
- Interchanging which two signs will make the following equation correct?
15 + 3 × 9 – 4 ÷ 16 = 57 If K denotes '÷', L denotes 'x', M denotes '-' and N denotes '+', then what will be the value of the following expression?
96 K 8 L 4 N 25 M ...
If the following interchanges are made in signs, then what would be the value of the following expression?
48 X 63 + 2 ÷ 9 - 35Â
Interch...
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at varianc...
