Question
If a man covers a distance in 1 hour, walking at a speed
of 5 km/hr, how long will it take him to cover 15 km?Solution
Time = Distance / Speed Β = 15 km / 5 km/hr. = 3 hours
- If β+β means β-β, βΓβ means β+β, β-β means βΓ·β and βΓ·β means βΓβ, then what is the value of the following expression... 
- If '+' means 'division', '-' means 'multiplication', 'Γ·' means 'addition' and ' X ' means 'subtraction', then what is the value of the following expres... 
- If β<β means βsubtractβ, β>β means βadditionβ, β%β means βmultiplicationβ and β$β means βdivisionβ, then 55 > 24 $ 4 < 8... 
- If in a certain code language β+β represents βΓβ, βββ represents β+β, βΓβ represents βΓ·β and βΓ·β represents βββ.... 
- After interchanging "Γ" and "Γ·", "7" and "4", which of the following equations becomes correct? 
- What will come in place of β?β in the given expression? - 12 Γ 12 + 10Β² + 24 Γ (5/4) = ? 
- (19 % 3) * 11 = 2 and 9 * 3 % 2 = 5. Then, 8 % 4 * 2 = ? 
- A $ B means A X B, A & B means A - B, A % B means A Γ· B and A # B means A + B, then what is the value of 320 & 80 # 120 % 24 $ 50? 
- If "+" means "subtraction", "Γ" means "division", "Γ·" means "addition" and "β" means "multiplication", then solve 98 β 2 x 14 Γ· 5 β 7 + 40 . 
- 87 D 29 A 12 B 5 C 9 = ?