Solution:

No, the number of eggs or young produced by an oviparous and viviparous mother are not equal; the number of eggs produced by oviparous mothers is higher in comparison because fertilisation occurs outside the uterus in oviparous animals, whereas development occurs inside the uterus in viviparous animals, making successful incubation of young animals less likely.

Because eggs are immobile, they are at risk of being devoured by predators when they are present outside. As a result, there is a need for more eggs in order to sustain the progeny.