Start learning 50% faster. Sign in now
Get Started with ixamBee
Start learning 50% faster. Sign in now Answer: D Quantity I: Time taken by A alone to complete the work = 15 days Time taken by B alone to complete the work = 12 days Part of work done by A alone in 1 day = 1/15 So, part of work done by A alone in 5 days = 5/15 = 1/3 Remaining part of work = 2/3 Time taken by B and C together to complete remaining work = 4.8 days So, time taken by B and C together to complete the whole work So, = 4.8 * 3/2 = 7.2 days So, time taken by C alone to complete the whole work = 18 days Quantity II: Let present ages of A and B are ‘3x’ and ‘2x’ respectively. So, [(3x + 2x)/2] – 2x = 2.5 x = 5 Present age of A and B are 15 years and 10 years, respectively. Since, average of present ages of A, B, C and D = 15 years So, (15 + 10 + C + D)/4= 15 C + D = 35 Since, C is older than D. So, present age of C ≥ 18 years. Hence, Quantity I ≤ Quantity II
Which film received the prestigious Palme d'Or award at the 2024 Cannes International Film Festival?
Who among the following has planned to visit Siwan, Bihar on June 20, 2025, to address a 'raila'?
When is Anti-Terrorism Day celebrated annually?
What significant technological achievement was highlighted in the successful test of a Cruise Missile in India on April 18, 2024?
Recently the Lok Sabha Secretariat has restored the Lok Sabha membership of which leader?
According to the Reserve Bank of India data, how much did India's foreign exchange reserves fall by as of May 19, 2023?
The State Bank of India recently announced an online business loan solution for MSMEs to avail credit against their GST-registered sales invoices of up ...
Consider the following statement about “C-130J Super Hercules".
1. It is a military transport aircraft of Indian Air Force.
2. Recen...
Who launched the 'Bharat 6G Alliance' in New Delhi?
Who has been appointed as the new Prime Minister of Cambodia?